Maro Publications

Piping

Patent Titles

From 06/15/2015 through 2/5/2013

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Patent Abstracts

 

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Patent Titles

For earlier US Patent titles, go to Sorted Patents /Applications /Piping.

3/17/2015

8,978,711
Double pipe and coupling structure for the pipe

8,978,709
Device for sealing a leak in a fluid-transport pipe

8,978,707
Pipe testing fixture

3/3/2015

8,968,851
Peroxide crosslinked ethylene polymer pressure pipe and a method for the preparation thereof

8,968,481
Pig receiver

8,967,676
Two-piece split coupler for coupling large-diameter plastic corrugated pipe

8,967,675
Elliptical undercut shoulder for specialty pipe connections

8,967,674
Rib construction for large diameter pipe fittings

2/24/2015

8,962,154
Wear resistant inner coating for pipes and pipe fittings

8,962,116
Pipes made from a polyethylene copolymer with slow crack growth

8,962,115
Fire-resistant piping material

2/17/2015

8,955,553
Flexible pipe body with buoyancy element and method of producing same

8,955,551
Pipe sealing tool with external and internal clamp

2/10/2015

8,950,787
Pipe and pipe assembly provided with layers of electrically conductive material for conveying substances

8,950,071
Method and device for manufacturing a heat-insulated pipe

2/3/2015

8,944,113
Composite pipe and method of manufacture

8,944,111
Pipe pitch apparatus, system and method of installation

1/13/2015

8,932,681
Method and apparatus for coating pipes

8,932,426
Pipe fusion fitting and installation method

8,931,521
Bent thermoplastic pipe

1/6/2015

8,925,590
Pipeline leak detection and repair device

1/6/2015

8,925,589
Active flow high pressure pipe plug apparatus and method

8,925,400
Instrumented foam pig  

12/23/2014

8,916,250
Sewage pipe comprising beta nucleated polypropylene material with improved properties

12/16/2014

8,911,840
Coated pipe and propylene polymer composition therefor

12/9/2014

8,905,675 
Method of manufacturing a mechanically lined pipe 

8,905,440 
Grooved-ended resilient expansion joint and method of resiliently joining together a pair of grooved-ended pipes 

12/2/2014

8,900,377 
Flexible pipe having increased acid resistance and/or corrosion resistance 

8,899,274 
Fiberglass flanged pipe and method of making same 

11/25/2014

8,895,642 
Buoyancy control material for subsea main pipelines and high-density buoyancy control material for subsea main pipelines 

8,895,123 
Polyolefin multilayer pipe 

8,894,115 
Inflatable lift cylinder 

11/18/2014

8,889,598 
Treatment process for inhibiting top of line corrosion of pipes used in the petroleum industry 

8,889,239 
Stabilised cross-linked polymers 

8,888,071 
Trenchless pipe replacement of underground pipe 

11/04/2014

8,877,306 
Compatibalized blends of polyphenylene sulfide and thermoplastic vulcanizate 

10/28/2014

8,870,231 
Fiber-reinforced resin pipe 

10/21/2014

8,865,281 
Flexible pipes made of a polyaryletherketone/perfluoropolymer composition 

8,865,281 
Flexible pipes made of a polyaryletherketone/perfluoropolymer composition 

8,864,012 
Method and apparatus for the welding of pipes 

10/14/2014

8,858,732 
Chemical pigging apparatus including an inflatable device and method of using same 

8,859,703 
Bimodal pipe resin and products made therefrom 

8,857,861 
Self-restrained pipe joint system 

8,857,488 
Pipe fitting installation device 

8,857,475 
Method and system for rehabilitating an old pipe 

8,857,025 
Apparatus and method for repairing the junction of a sewer main and lateral pipe 

11/12/2013      

129. 8,580,339 
Coating process for the coating of an interior of a pipework system as well as a sub-distributor and a working equipment for the treatment of a pipework system 

128. 8,579,624 
Systems and methods for making multi-wall corrugated pipe 

11/5/2013      

127. 8,574,697 
Use of a polyamide molding compound for lining conduits 

10/29/2013      

126. 8,568,844 
Pre-applied protective jacketing construction for pipe and block insulation 

125. 8,568,830 
Method for manufacturing coated pipes 

124. 8,568,060 
Rehabilitating pipe segment and existing pipe rehabilitation method using same 

123. 8,568,059 
Method and device for laying pipelines in the ground 

122. 8,567,824 
Polymer duct having clamping collar 

121. 8,567,223 
Method and tool for expanding tubular members by electro-hydraulic forming 

10/22/2013      

120. 8,563,109 
Pressureless polymer pipe, a compositon therefore, and a process for preparing it 

119. 8,562,331 
Method and tool for expanding a pipe end 

118. 8,562,320 
Resin molding device 

117. 8,561,648 
Flexible pipe having high resistance to axial compression and method of manufacturing such a pipe 

10/15/2013      

116. 8,557,924 
Polymer compositions and pressure-resistant pipes made therefrom 

115. 8,557,920 
High melt flow polymer of improved durability for pipe applications 

114. 8,555,574 
Pipe insulation system 

113. 8,555,530 
System and method for pipeline padding 

10/1/2013      

112. 8,545,656 
Method of manufacturing resin pipe 

9/24/2013      

111. 8,541,076 
Stretchable high-loft flat-tube structure from continuous filaments 

110. 8,540,926
Profiling of tubes 

109. 8,540,835 
Method for manufacturing tubes by welding 

9/17/2013      

108. 8,534,768 
Method of making a pipeline pig brush and brush assembly 

107. 8,534,030 
Method for metering a length of duct from a flexible container retaining the duct in a longitudinally compressed state 

106. 8,534,002 
Pipe flashing apparatus and method 

105. 8,533,991 
Thermoformed grow tube 

9/10/2013      

104. 8,530,580 
Polymer compositions having improved homogeneity and odour, a method for making them and pipes made thereof 

103. 8,529,992 
Method and apparatus for coating ducts 

102. 8,529,719 
Method of making medical tubing having variable characteristics using thermal winding 

101. 8,528,580 
Pipes for transporting water containing chloramine 

9/3/2013        

100. 8,524,345 
Pipe module 

99. 8,524,315 
Method for manufacturing tubular body 

98. 8,522,589 
Machine of variable linear structure for the formation of tubes 

8/27/2013          

97. 8,519,034 
Polyethylene composition for water pipes with improved chlorine resistance 

96. 8,518,508 
Highly-durable tube usable for movement unit for rotation, flexion, and the like and method for producing the same

95. 8,518,201 
Method of manufacturing a tubing for a subsurface water drainage system 

94. 8,517,715 
PEX expanding tool 

93.  8,517,058 
Lean duct fabrication

8/20/2013      

92. 8,512,027 
Belling machine for pipes made of thermoplastic material, forming end sockets equipped with an integrated seal 

91. 8,511,214 
Tubular structure and method for making the same

8/13/2013        

90. 8,507,034 
Controlling top of the line corrosion in hydrocarbon pipelines 

89. 8,505,587 
Method of manufacturing a reinforcement element for a flexible pipeline

8/6/2013        

88. 8,500,175 
Plastic male screw connector using injection molding 

87. 8,500,174 
Pipe coupling having compression band 

7/30/2013      

86. 8,497,005 
Highly abrasion-resistant grafted polyolefin pipe 

85. 8,496,460 
Pipe extrusion die flow path apparatus and method 

7/16/2013          

84. 8,487,045 
Pressure pipes and polyolefin composition for the manufacture thereof 

83. 8,486,525 
Method and apparatus having two surfaces for sealing distribution ducts 

82. 8,486,314 
Method of internally restoring a leaking pipe 

81. 8,485,229 
Wrappable styrenic pipe insulations

7/9/2013      

80. 8,480,828 
Method for repairing and/or strengthening pipes 

7/2/2013          

79. 8,476,370 
High density polymer compositions, a method for their preparation and pressure-resistant pipes made therefrom 

78. 8,475,898 
Polyolefin resin blends for crack-resistant pipe

77. 8,475,699 
Method for rounding edges of openings in a tubular body and a product thereof 

76. 8,474,489 
Flexible pipe

6/25/2013        

75. 8,470,423 
Plastics pipe 

74. 8,470,213 
Method for extrusion-molding loose tube and apparatus therefor, and loose tube 

73. 8,468,968 
Method and apparatus for lining pipes with isocyanate and hydroxyl-amine resin based on castrol or soy oil 

6/18/2013

72. 8,465,816 
Polyethylene pipe resins 

71. 8,465,612 
Tubular body 

70. 8,465,229 
Outer pipe sleeve for sea floor mooring pile

69. 8,464,410 
Rack type pipe feeder for a pipe fusion machine 

6/11/2013      

68. 8,460,503 
Pipe preformed liner comprising metal powder

67. 8,458,884 
Method for forming a duct 

6/4/2013    

66. 8,455,072 
Polyolefin composition for pipe system and sheets 

65. 8,454,874 
Method for insert molding bendable position-retaining tubing 

64. 8,454,786  
Method for producing drip irrigation pipes   

63. 8,454,736 
Triple-flow vortex tube

62. 8,454,340 
Heat treated formation of tubular articles 

5/28/2013  

61. 8,450,426 
Multimodal polyethylene resin for pipe made by a single-site catalyst 

60. 8,449,961 
Pipe for the air intake circuit of a motor vehicle engine, and circuit incorporating the same 

59. 8,449,800 
Method of strengthening the connection between pipe sections in high pressure pipelines 

58. 8,448,669 
Tube for cable sheath and cable sheath using the same 

57. 8,448,380 
Wicknet 

5/21/2013    

56. 8,444,894 
Procedure for the manufacture of a tube made from flexible materials 

55. 8,444,184 
Conduit structure for a hot water tap, as well as such tap

54. 8,444,187 
Separation prevention device for pipe joint 

53. 8,444,186 
Seal and restraint system for plastic pipe with low friction coating 

 52. 8,444,182 
Water intake pipe of ocean thermal energy conversion power plant 

5/14/2013  

51. 8,440,034 
System, method, and apparatus for pre-tensioned pipe for load-sharing with composite cover 

50. 8,439,605 
Apparatus for everting a liner into a pipe and pressure connector for the same 

49. 8,439,604 
Pipe support system and method for use in underground pipe ramming

48. 8,439,086 
Tubular structure 

47. 8,439,085 
Semi-rigid flexible duct 

46. 8,439,041 
Tracheal tube with scaffolding-supported wall 

45. 8,438,926 
Method of evaluating fastening state of threaded joint of pipes or tubes, method for fastening threaded joint of pipes or tubes, and apparatus for evaluating fastening state of threaded joint of pipes or tubes 

5/7/2013

44. 8,435,282 
Tube with reverse necking properties

43. 8,434,207 
Corrugated conduit and method of expanding to form a lined tubular member 

4/30/2013

42. 8,430,365 
Tube holding block assembly 

4/16/2013

41. 8,418,337 
Dry fiber wrapped pipe 

40. 8,418,336 
Method and system for repairing the flow-line of corrugated metal pipes 

4/9/2013

39. 8,415,447 
Polyolefin coated steel pipes 

38. 8,414,992 
Wrinkle control for composite tubes 

37. 8,414,728 
Collar for tube and related methods of manufacture and installation 

36. 8,414,724 
Composite tube having cobonded end fittings and method of making same 

35. 8,413,319 
Apparatus for forming elongated composite tubular 

4/2/2013

34. 8,409,485 
Method for manufacturing a tubular body 

33. 8,408,264 
Apparatus for joining plastic tubes 

3/26/2013

32. 8,403,657 
Pipe coating 

31. 8,402,911 
Multi-segmented apparatus for lining pipe with multiple convoluted bends and varied orientations with a structural membrane 

3/19/2013

30. 8,399,767 
Sealing devices and methods of installing energy dissipative tubing 

29. 8,398,914 
Systems and methods for deforming an outer wall of pipe 

28. 8,398,908 
Plastics pipe 

27. 8,398,331 
Adjustable pipe coupling assembly 

26. 8,398,119 
Electrofusion fitting 

25. 8,397,765 
High temperature resistant insulation for pipe 

24. 8,397,660 
Process and apparatus for forming a tubular article 

3/12/2013

23. 1. 8,394,472 
Structural component with tubular section 

3/5/2013

22. 8,389,654 
High melt flow polymer of improved durability for pipe applications 

21. 8,389,089 
Propylene polymer pipes for pipelines 

20. 8,389,088 
Tubular conduit 

19. 8,388,785 
Method for repairing and/or strengthening of pipes 

2/19/2013

18. 8,375,972 
Device and method for repairing pipe 

2/12/2013

17. 8,372,499 
Pressureless pipe comprising a multimodal polyethylene composition with an inorganic filler 

16. 8,372,287 
Impregnated expanded polytetrafluoroethylene (ePTFE) tubing as a stationary phase 

15. 8,372,235 
Method and apparatus for fabricating welded plastic tube and pipe assemblies 

14. 8,372,229 
Method for coupling corrugated pipe segments 

13. 8,371,622 
Leak proof pipe connections and leak proofing pipe connections 

12. 8,371,617 
Expansion joint for pipe system 

11. 8,371,409 
Piping structure for transporting a fuel 

2/5/2013

10. 8,367,763 
Polyethylene composition for pressure pipes with enhanced flexibility 

9. 8,365,603 
Non-destructive testing, in particular for pipes during manufacture or in the finished state 

8. 8,365,568 
Seamless multilayer composite pipe 

7. 8,365,502 
Composite tube having co-bonded end fittings 

6. 8,365,382 
Method of forming a clamping ring and a clamping ring 

5. 8,365,377 
Pipe joining tool 

2/5/2013

4. 8,365,374 
Elastomeric element installation tool and method 

3. 8,361,579 
Coloured pipes for transporting disinfectant-containing water 

2. 8,361,578 
Process for coating a pipe with high throughput using multimodal ethylene copolymer, and coated pipes obtained thereof  

1. 8,360,108 
Method for rehabilitating existing pipes, and rehabilitation pipe segment used in the rehabilitating method 

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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 2/5/2013.