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Class Information
Number: 285/298
Name: Pipe joints or couplings > Variable length
Description: Subject matter wherein one member is connected to the other by an intermediate element capable of significant contraction and expansion or wherein one member projects into or telescopes with the other member and provides relative movement therebetween.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7303146 |
Pipe fitting with length adjustment |
Dec. 4, 2007 |
| 7111873 |
Slide coupling fitting for connecting conduits |
Sep. 26, 2006 |
| 6983957 |
Compressed seal for a movable joint |
Jan. 10, 2006 |
| 6959880 |
Pipe fitting with length adjustment |
Nov. 1, 2005 |
| 6904941 |
Helically formed cylinder of varying length and diameter |
Jun. 14, 2005 |
| 6719331 |
Telescopic tube with water supply |
Apr. 13, 2004 |
| 6592152 |
Joint structure for filtration membrane module |
Jul. 15, 2003 |
| 6581978 |
Connector tube for a turbine rotor cooling circuit |
Jun. 24, 2003 |
| 6565128 |
Device and method for coupling a fluid rail with fuel injectors |
May. 20, 2003 |
| 6457934 |
Connector tube for a turbine rotor cooling circuit |
Oct. 1, 2002 |
| 6422610 |
Deformable fluid supply line |
Jul. 23, 2002 |
| 6409226 |
"Corrugated thick-walled pipe for use in wellbores" |
Jun. 25, 2002 |
| 6305722 |
Telescopic tube, in particular for sprinkler systems |
Oct. 23, 2001 |
| 6209927 |
Isolation device and fluid connection |
Apr. 3, 2001 |
| 6179339 |
Seal rings for low loss flexible coupling of gas conduits |
Jan. 30, 2001 |
| 6176526 |
Expansion joint |
Jan. 23, 2001 |
| 6142390 |
Nozzle assembly for a spray head |
Nov. 7, 2000 |
| 6098312 |
Exhaust vent adapter for a clothes dryer |
Aug. 8, 2000 |
| 6044904 |
Wellhead assembly |
Apr. 4, 2000 |
| 6006399 |
Telescopic tubular extension particularly for electric household appliances and cleaning machines in general |
Dec. 28, 1999 |
| 5927758 |
Pivotable vacuum cleaner tube shaft |
Jul. 27, 1999 |
| 5904377 |
Pipe fitting |
May. 18, 1999 |
| 5899506 |
Confining ring set suiting wider range of diameter of pipes |
May. 4, 1999 |
| 5868060 |
Quick-release cam lock |
Feb. 9, 1999 |
| 5823578 |
Extensible metallic tube structure |
Oct. 20, 1998 |
| 5819326 |
Connecting apparatus for a toilet and a drainpipe |
Oct. 13, 1998 |
| 5746453 |
High temperature inline expansion joint |
May. 5, 1998 |
| 5624139 |
Elastomeric hose coupling |
Apr. 29, 1997 |
| 5601316 |
Bellows for connecting hoses or apparatus for operation in a vacuum |
Feb. 11, 1997 |
| 5588685 |
Push-pull pipe joint |
Dec. 31, 1996 |
| 5577895 |
Submerged pump unit having a variable length pipe assembly |
Nov. 26, 1996 |
| 5573284 |
Expansion joint for hot pipes |
Nov. 12, 1996 |
| 5542718 |
Adjustable tail ground joint |
Aug. 6, 1996 |
| 5462311 |
Telescoping wand for vacuum cleaners |
Oct. 31, 1995 |
| 5421621 |
Packing manifold for slip-type expansion joints |
Jun. 6, 1995 |
| 5378016 |
Connecting element for conduit segments through which hot flue gas can flow |
Jan. 3, 1995 |
| 5354104 |
Flexible coupling for pipework |
Oct. 11, 1994 |
| 5340160 |
Thermoplastic saddle in two parts for repairing or renovating a pipe line with branch pipe and repaired or renovated pipe with a saddle |
Aug. 23, 1994 |
| 5286063 |
Ball and socket floating seal assembly |
Feb. 15, 1994 |
| 5248850 |
Electrical box connector conduit |
Sep. 28, 1993 |
| 5248172 |
Adjustable fluid transfer apparatus |
Sep. 28, 1993 |
| 5182885 |
Extendable wall sleeves |
Feb. 2, 1993 |
| 5174613 |
Kit for constructing an expansion joint for joining pipes |
Dec. 29, 1992 |
| 5160174 |
Telescoping pipes and application for such telescoping pipes in fire sprinkler systems |
Nov. 3, 1992 |
| 5154449 |
Extensible rod |
Oct. 13, 1992 |
| 5141255 |
Joint for connecting sprinklers to underground water pipes |
Aug. 25, 1992 |
| 5141258 |
Expansion joint for conduit for cables |
Aug. 25, 1992 |
| 5039133 |
Suction nozzle coupling having rotatably mounted therein a connector for a suction hose |
Aug. 13, 1991 |
| 5025872 |
Core barrel adjusting system |
Jun. 25, 1991 |
| 4998756 |
Adjustable connection apparatus |
Mar. 12, 1991 |
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