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Class Information
Number: 285/412
Name: Pipe joints or couplings > Flange > Clamped > Axially bolted
Description: Subject matter in which the clamping means comprises at least one separable plate-like pipe receiving ring coacting with a flange and having bolts lying parallel to its axis for producing axial forces to draw the flanges together.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7469939 |
Muff coupling for vehicle couplers |
Dec. 30, 2008 |
| 7469931 |
Connection device |
Dec. 30, 2008 |
| 7467814 |
Flange |
Dec. 23, 2008 |
| 7455331 |
Doubled-up pipe coupling |
Nov. 25, 2008 |
| 7401821 |
Hollowed, deformable, raised face bolt-ring |
Jul. 22, 2008 |
| 7383958 |
Desanding apparatus and system |
Jun. 10, 2008 |
| 7341280 |
Rehabilitating pipe and method for laying a rehabilitating pipe |
Mar. 11, 2008 |
| 7290806 |
Assembly fixture |
Nov. 6, 2007 |
| 7216899 |
Alternative method for sealing all-metal vacuum joints |
May. 15, 2007 |
| 7195289 |
Fluid distribution system |
Mar. 27, 2007 |
| 7168743 |
Means to seal terminal ends of pipe sleeves |
Jan. 30, 2007 |
| 7056053 |
Bolting arrangement including a two-piece washer for minimizing bolt bending |
Jun. 6, 2006 |
| 7037065 |
Flange bolt for turbines |
May. 2, 2006 |
| 6979025 |
Joining of lined pipes |
Dec. 27, 2005 |
| 6979028 |
Pipe joint |
Dec. 27, 2005 |
| 6957832 |
Elongate member with interconnected rotatable portions |
Oct. 25, 2005 |
| 6918619 |
Pipe connecting assembly and method of use |
Jul. 19, 2005 |
| 6810898 |
Hose access port for recreational vehicles and trailers |
Nov. 2, 2004 |
| 6729660 |
Adjustable base unit for angularly adjusting mounting disposition of silo fill tube |
May. 4, 2004 |
| 6722707 |
Lapped flange for connecting pipes and method for producing such a lapped flange |
Apr. 20, 2004 |
| 6715802 |
Apparatus for connecting tubular bodies |
Apr. 6, 2004 |
| 6619702 |
Structure of a connection portion of an exhaust pipe for an engine and a method for providing the same |
Sep. 16, 2003 |
| 6581984 |
Corrugated spiral pipe with a coupling device and method for installing the same |
Jun. 24, 2003 |
| 6543818 |
Device for assembling axisymmetric components |
Apr. 8, 2003 |
| 6467811 |
Flanged connection repair device and method |
Oct. 22, 2002 |
| 6467820 |
High-pressure fluid-flow system having compact two-bolt and four-bolt flanged and modular connectors |
Oct. 22, 2002 |
| 6460573 |
Companion duct system |
Oct. 8, 2002 |
| 6454318 |
Structure of a connection portion of an exhaust pipe for an engine and a method for providing the same |
Sep. 24, 2002 |
| 6419279 |
Threaded retainer rings for use in pipe flange connections |
Jul. 16, 2002 |
| 6394507 |
Apparatus for connecting tubular bodies |
May. 28, 2002 |
| 6382106 |
Skeletal frame for revolving vehicle platform turntable |
May. 7, 2002 |
| 6315335 |
Two-piece loose flange |
Nov. 13, 2001 |
| 6302452 |
Pipe connector system with interchangeable connector assemblies |
Oct. 16, 2001 |
| 6244630 |
Method and apparatus for non-intrusive on-line leak sealing of flanged piping connections |
Jun. 12, 2001 |
| 6176663 |
Apparatus for reducing fastener bending stress in flanged connections |
Jan. 23, 2001 |
| 6155045 |
Engine flange |
Dec. 5, 2000 |
| 6126205 |
Connection tool for low profile connections |
Oct. 3, 2000 |
| 6119956 |
Snow gun for making artificial snow |
Sep. 19, 2000 |
| 6096121 |
Seal joint for multiple internal separator arrangement |
Aug. 1, 2000 |
| 6085778 |
Wall connection |
Jul. 11, 2000 |
| 6024387 |
Tube connector for connecting tubes intended for installing cables therein |
Feb. 15, 2000 |
| 6016843 |
Flanged pipe unit and method of producing same |
Jan. 25, 2000 |
| 5961153 |
Exhaust repair kit for exhaust system and methods therefor |
Oct. 5, 1999 |
| 5948128 |
Flanged condensate removal system with removable insert |
Sep. 7, 1999 |
| 5755466 |
Annular clamping flange |
May. 26, 1998 |
| 5718460 |
Flange-less flow reducer for joining fluid-flow components |
Feb. 17, 1998 |
| 5702205 |
Steel catenary riser system for marine platform |
Dec. 30, 1997 |
| 5685576 |
Pipe coupling |
Nov. 11, 1997 |
| 5641185 |
Annular clamping flanges |
Jun. 24, 1997 |
| 5580102 |
Pipe support and pipeline therewith |
Dec. 3, 1996 |
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