Maro Publications

Filters and Filtration

Patent Titles

From 05/20/2015  through 9/10/2012

Maro Topics

Filters and Filtration: Notes

Filters and Filtration: Patent Abstracts

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Patent Titles

2/24/2015

8,961,782
Water filtering system

8,961,781
Filter status techniques adapted for use with a container based filtration device

8,960,450
Apparatus and method for implementing hydroclone based fluid filtration systems with extensible isolated filter stages

2/10/2015

8,951,323
Multiple layer mat and exhaust gas treatment device

8,950,587
Filter media suitable for hydraulic applications

1/7/2014

224. 8,623,215 
Membrane module for fluid filtration 

223. 8,623,207 
Loose-proof structure of a filter cartridge shell 

222. 8,623,206 
Gravitational filter and liquid purification device 

221. 8,623,109 
Collapsible extended surface filter and air cleaner system using collapsible extended surface filter 

220. 8,622,323 
Filtering apparatus for inlet fluid into a pressure chamber of a sprayer 

12/31/2013

219. 8,617,476 
Honeycomb filter and urea SCR device 

218. 8,617,404 
Fluid filter apparatus and methods 

217. 8,617,399 
Dynamic filtration system and associated methods 

216. 8,617,391 
Filter component 

215. 8,617,300
Media for photocatalytic filter 

214 8,617,295 
Active-particulate air filter having monolith primary filter and polishing filter

213. 8,617,276 
Filter cartridge, dust collectors, and methods 

212. 8,617,200 
Multi-layer filtration device 

211. 8,616,219
Filter for a smoking article

210. 8,616,218
Tobacco filter

12/24/2013

209. 8,613,786 
Fluid filter 

208. 8,613,785 
Tabbed air filter 

207. 8,613,784 
Filter element with percussion band 

206. 8,613,754 
Tubular filter 

205. 8,613,284 
Cigarette filter comprising a degradable fiber 

12/17/2013

204. 8,609,191 
Air-permeable filtration media, methods of manufacture and methods of use 

203. 8,609,047 
Extruded SCR filter 

202. 8,608,817 
Meltblown filter medium 

201. 8,608,816 
Fluid filtration device and system 

200. 8,607,992 
Ceramic filter
 

199. 8,607,989 
Filter composites for drug detoxification 

12/10/2013

198. 8,603,335 
Filter with ejection mechanism 

197. 8,603,334 
Fluid filter element 

196. 8,603,217 
Recirculating filtration systems for material 

195. 8,603,210 
Air filter element 

194. 8,603,209 
Removable external filter for servo air actuated valves 

193. 8,603,208 
Tube device for a motor vehicle air filter system and related method of assembly 

12/3/2013

192. 8,597,559 
Method of making a shaker screen 

191. 8,597,405 
Self-cleaning electret filter 

190. 8,597,393 
Pleated air filter pack and air filter using same 

189. 8,597,392 
Filter arrangement with overlapping swords 

188. 8,597,391 
Filtration system and method 

187. 8,597,390 
Air cleaner 

186. 8,596,465 
Ceramic filter 

185. 8,596,464 
Sifting screens 

11/26/2013

184. 8,591,739 
Molecular separator  

183.  8,591,622 
Filter apparatus with porous ceramic plates 

182. 8,591,621 
Filter system 

181. 8,591,620 
Arrangement with a cover and self-supporting filter element 

180. 8,591,619 
Filter mounts for a portable fan and methods for mounting a filter to a portable fan 

179. 8,590,733 
Filter housing with liftable lid 
    

178. 8,591,728 
Filter unit, fluid refill apparatus, and electronic device test apparatus 
    

177. 8,585,808 
Zinc oxide containing filter media and methods of forming the same 

176. 8,584,868 
Filter medium and filter element 

175. 8,584,866 
Polyurethane vibratory screen 

174. 8,584,865 
Screen 

173. 8,584,447 
Filter device for filtering automobile exhaust gas 

172. 8,584,446 
Method and device for controlling the regeneration of a particulate filter 

171. 8,584,445 
Method and system for controlling an electrically heated particulate filter 

11/12/2013    

170. 8,580,098 
Electrically enhanced cellulose filtration system 

169. 8,580,009 
Honeycomb filter 

11/5/2013    

168. 8,574,436 
Displacement filter apparatus 

167. 8,574,431 
Filter system with gas agitation 

166. 8,574,430 
Filter assembly with modular relief valve interface 

165. 8,573,408 
Crystalline polymer microporous membrane, method for producing the same, and filtration filter 

10/29/2013    

164. 8,567,630 
Receptacle with motion dampers for lid and air filtration device 

163. 8,567,611 
Filtration material 

162. 8,567,403  Biochemical agent filter using ultraviolet irradiation on nanoparticle-embedded ionic grids 

10/22/2013    

161. 8,562,875 
Adsorbent filter media for removal of biological contaminants in process liquids 

160. 8,562,835 
Fluid filter 

159. 8,562,708 
Three-dimensional filter 

158. 8,562,707 
Air filter having fluted filter media 

157. 8,562,706 
Air filter having an air filter housing, use of an air filter, method for designing an air filter, and method for operating an air filter 

156. 8,561,808 
Filter assembly 

10/15/2013    

155. 8,557,116 
Molecular separator 

154. 8,557,115 
Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration 

153. 8,557,114 
Water purification apparatus and method for using pressure filter and pore control fiber filter 

10/8/2013    

152. 8,551,375 
Filter element 

151. 8,551,335 
Dual stage filtration with barrier for fuel water separation 

150. 8,551,334 
Filter capsule 

149. 8,551,227 
Filter  7. 8,551,208 
Plasma treated filter 

148. 8,551,207 
Fluted filter with axial seal 

147. 8,550,256 
Filtration membrane with covalently grafted fouling-resistant polymer 

146. 8,550,255 
Filter device and filter element 

145. 8,550,254 
Liquid ejecting head and liquid ejecting apparatus having resin wrapped filter 

144. 8,550,253 
Filtration apparatus 

143. 8,550,138 
Apparatus for making a filtering unit 

10/1/2013    

142. 8,545,699 
Filter assembly for frying oil or other liquids and an associated valve assembly 

141. 8,545,658 
Apparatus and methods for forming filter sleeves having circumferential pleats for use in a bag-type filter assembly 

140. 8,545,590 
Flutable fiber webs with high dust holding capacity 

139. 8,545,589 
Filtration media pack, filter element, and methods 

9/24/2013    

138. 8,540,808 
Venting and filtration systems with gas permeable membrane 

137. 8,540,807 
Venting and filtration systems with gas permeable membrane 

136. 8,540,805 
Filter assembly for use in a turbine system 

135. 8,540,791 
Canister air filter and method for fabricating the same 

134. 8,540,790 
Filter element 

133. 8,540,789 
Filter element constructions 

132. 8,540,787 
Filter element with percussion band 

131. 8,540,080 
Fluid filter system 

130. 8,540,079 
Sludge filtration apparatus and filter assembly thereof 

129. Reusable multi-functional pad/filter device 

9/17/2013    

129. 8,535,542 
Filter press with integrated radio frequency heating 

128. 8,535,524 
Exchangeable media filter 

127. 8,535,404 
Membrane-free filter and/or integral framing for filter 

126. 8,535,403 
Filter assembly with mounting 

9/10/2013    

125. 8,529,675 
Air filter system 

124. 8,529,652 
Soot particle filter   

9/3/2013    

123. 8,524,920 
Active polymeric filters 

122. 8,524,919  
Active polymeric filters 

121. 8,524,083 
Beer filter 

120. 8,523,971 
Multilayer nanofiber filter 

119. ,523,970 
Portable air filter 

8/27/2013     

118. 8,518,274 
Filter device operating method 

117. 8,518,273 
Method and device for cleaning of filter 

116. 8,518,166 
Air filtering system capable of enhancing inspection convenience 

115. 8,518,163 
Electrostatic filtering device using optimized emissive sites 

114. 8,518,152 
Method for manufacturing electrostatic non-woven intake filter and electrostatic non-woven intake filter using the same 

113. 8,517,185 
Two stage fuel water separator and particulate filter utilizing pleated nanofiber filter material 

112. 8,517,184 
Anisotropic filtration media 

111. 8,517,183 
No filter no run fluid filtration system 

110. 8,516,654 
Filter system for a vacuum cleaner 

8/20/2013    

109. 8,513,145 
Flame resistant filler cloth and mattresses incorporating same

108. 8,512,588 
Method of fabricating a scalable nanoporous membrane filter 

107. 8,512,569 
Fluid filtration articles and methods of making and using the same 

106. 8,512,560 
Filter press 

105. 8,512,555 
Filter assembly, system and method 

104.  8,512,499 
Fluted filter medium and process for its manufacture 

103. 8,512,435 
Filter medium and breather filter structure 

102. 8,512,432 
Composite filter media 

101. 8,512,431 
Fine fiber media layer 

100. 8,512,429 
Coalescing filter element with drainage mechanism 

99. 8,512,428 
Vent filter and method for manufacturing the same 

98. 8,511,481 
Liquid filter, in particular an oil filter 

8/13/2013    

97. 8,506,669 
Pleated filter with monolayer monocomponent meltspun media 

96. 8,506,668 
Fluted filter with axial seal 

95. Filters and methods for imparting structural support to pleated filter media 

94. 8,506,666 
Filter assembly with improved gasket   

93. 8,506,664 
Filter pipeline 

92. 8,506,663 
Filter element and soot filter having improved thermal shock resistance

91. 8,505,284 
Stratified particulate filter regeneration system 

8/6/2013      

90. 8,501,668 
Drug screening via nanopore silicon filters 

89. 8,500,839 
Panel filter 

7/30/2013

88. 8,496,883 
Honeycomb filter 

67. 8,496,774 
Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products

66. 8,496,735 
Method and apparatus for control and elimination of undesirable substances

65. 8,496,723 
Air filter arrangement 

64. 8,496,722 
Nonwoven for air filtration and a preparation method thereof 

63. 8,496,721 
Hollow body having an integrated oil separating device 

62. 8,496,720 
Building air filtration system 

61. 8,496,120 
Filter network

7/23/2013    

60. 8,491,825 
Process of making natural tourmaline fiber and filter 

59. 8,491,794 
Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance 

58. 8,491,691 
Filter cartridge with seal member and methods 

57. 8,491,690 
Panel filter 

56. 8,491,689 
Joined filter media pleat packs 

55. 8,491,688 
Wire cage for a filter bag

7/9/2013        

54. 8,480,992 
Filter and process of use to produce carbon nanotubes from automotive exhausts 

53. 8,480,779 
Air filter arrangement; assembly; and, methods 

52. 8,479,924 
Filter for filtering fluids and method for producing the same 

6/4/2013    

51. 8,454,841 
Method of filtering water or wastewater

50. 8,454,829 
Spiral crossflow filter 

49. 8,454,822 
Disposable tangential flow filtration liner with sensor mount 

5/28/2013  

48. 8,449,660 
Polytetrafluoroethylene porous membrane, method for producing same, and waterproof air-permeable filter 

47. 8,449,641 
Copolyamide powder as a pore former in regenerable ceramic particulate filters 

5/14/2013    

46. 8,440,033 
Method and apparatus for making a filtering unit

45. 8,440,005 
Active carbon filter for an internal combustion engine

44. 8,440,002 
Long life pyramidal filter for gas turbine inlet system 

43. 8,439,205 
Portable universal flow filter 

42. 8,439,204 
Reusable drop-in engine oil filters

41. 8,439,047 
Composite mesoporous/microporous materials and their use in smoking articles for removing certain gas phase constituents from tobacco smoke 

40. 8,439,046 
Filter cigarette 

5/7/2013 

39. 8,435,907 
Flame resistant filler cloth and mattresses incorporating same 

38. 8,434,498 
Degradable filter element 

4/30/2013

37. 8,431,187 
Manufacturing method of filter media available at medium and high temperature exhaust gas using foam coating technology and filter media manufactured thereby 

4/23/2013

36. 8,425,772 
Filtration device with releasable additive 

35. 8,425,769 
Filter arrangement and methods 

4/16/2013

34. 8,419,934 
Filter 

33. 8,419,845 
Air filter 

32. 8,419,837 
Air filtration system with quick connect 

31. 8,419,818 
Protective device for an air filter, in particular of a generating set, comprising portions to assemble radially on the filter 

30.  8,419,817 
Self-supporting pleated filter media 

4/2/2013

29. 8,410,006 
Composite filter media with high surface area fibers 

28. 8,409,332 
Sorbent fiber compositions and methods of temperature swing adsorption 

27. 8,409,327 
Control of grounded surface geometry in electrostatically enhanced fabric filters 

26. 8,408,682 
Heat sealeable filter to enable vacuum sealing of particle generating insulations 

25. 8,408,215 
Filter making apparatus 

3/26/2013

24. 8,404,115 
Sealed filter element 

23. 8,404,114 
Drinking water filter 

22. 8,404,112 
Filter media for use in pool filters 

21. 8,404,015 
Filter arrangement 

20. 8,403,153 
Adsorbent filter media for removal of biological contaminants in process liquids 

19. 8,403,152 
Fail safe mechanism 

18. 8,403,150 
End-cap assembly with pump hose for a filter and filter comprising such an end-cap assembly 

3/19/2013

17. 8,398,925 
Washcoated particulate filter substrate 

16. 8,398,854 
Filter system 

15. Filter assembly, valve assembly, and water purifying system having the same 

14. 8 8,398,753 
System and method for removing contaminants 

13. 8,398,752 
High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials 

12. 8,398,735 
Filter element with pleat support combs 

3/12/2013

11. 8,393,490 
Product container strainer 

3/5/2013

10. 8,388,843 
Integrity testable multilayered filter device 

9. 8,388,842 
Brine seal for a filtration device 

8. 8,388,841 
Filter cartridge, particularly for percolating filter jugs, and method of manufacturing it 

7. 8,387,372 
Particulate filter system

2/26/2013

6. 8,382,993 
Drain filter apparatus and method 

5. 8,382,981 
Frame system for membrane filtration modules 

4. 8,382,980 
Household water filter 

3. 8,382,712 
Filter device and liquid injection apparatus having the same 

2/12/2013

2. 8,372,292 
Melt blown polymeric filtration medium for high efficiency fluid filtration 

1/29/2013

1. 8,362,183 
MTO process based on MeAPO molecular sieves combined with an OCP process to make olefins 

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Interested!!
Bookmark this page to follow future developments!.
(RDC 6/5/2012)

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Roger D. Corneliussen
Editor
www.maropolymeronline.com

Maro Polymer Links
Tel: 610 363 9920
Fax: 610 363 9921
E-Mail: cornelrd@bee.net  

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Copyright 2013 by Roger D. Corneliussen.
No part of this transmission is to be duplicated in any manner or forwarded by electronic mail without the express written permission of Roger D. Corneliussen
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** Date of latest addition; date of first entry is 1/29/2013.