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Class Information
Number: 285/229
Name: Pipe joints or couplings > Flexible joint, rigid members > Bellows > Single fold type
Description: Devices in which the bellows comprises a single annular fold or ridge with side walls.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7052050 |
Elastomeric expansion joint and a wiring support member |
May. 30, 2006 |
| 6945567 |
Flexible pipe connecting unit |
Sep. 20, 2005 |
| 6916049 |
Corrugated pipe coupling having six degrees of freedom |
Jul. 12, 2005 |
| 6854769 |
Flexible bellows-type pipe junction for joining spaced pipe ends |
Feb. 15, 2005 |
| 6843515 |
Aircraft cooling system with fluid and pressure-tight pipe junctions |
Jan. 18, 2005 |
| 6533329 |
Method for making a molded expansion joint seal |
Mar. 18, 2003 |
| 6341805 |
Vehicle exhaust system with improved pipe end configurations |
Jan. 29, 2002 |
| 6209927 |
Isolation device and fluid connection |
Apr. 3, 2001 |
| 6131955 |
Expansion joint with thermal transition connector |
Oct. 17, 2000 |
| 6027147 |
Internal flexible dust seal |
Feb. 22, 2000 |
| 5728974 |
Sealing grommet |
Mar. 17, 1998 |
| 5716158 |
Expandable belt type expansion joint |
Feb. 10, 1998 |
| 5658024 |
Expansion joint with a sloped cavity and improved fabric clamping |
Aug. 19, 1997 |
| 5653474 |
High temperature rectangular exhaust duct expansion joint |
Aug. 5, 1997 |
| 5484173 |
Flowing arch expansion joint using FEP liner bonded to fiberglass fabric layer and reinforced with plurality of fabric plies covered with elastomeric outer layer |
Jan. 16, 1996 |
| 5443290 |
Floating ring expansion joint liner seal |
Aug. 22, 1995 |
| 5378026 |
Cylindrical flexible joint unit |
Jan. 3, 1995 |
| 5372390 |
Coupling system for relatively thick-walled tubes |
Dec. 13, 1994 |
| 5358284 |
High temperature non-metallic expansion joint |
Oct. 25, 1994 |
| 5284367 |
Flexible pipe joint |
Feb. 8, 1994 |
| 5273321 |
Flexible connector with integral flexible extension controls |
Dec. 28, 1993 |
| 5269570 |
Flexible casing for well boreholes |
Dec. 14, 1993 |
| 5174613 |
Kit for constructing an expansion joint for joining pipes |
Dec. 29, 1992 |
| 5147695 |
Flexible expansion compensation sleeve for connecting sections of pipe |
Sep. 15, 1992 |
| 5080403 |
Apparatus for connecting a branch duct to another duct |
Jan. 14, 1992 |
| 5033543 |
Lining for plate heat exchanger |
Jul. 23, 1991 |
| 5011194 |
Flexible pipe connecting device for high temperature fluid |
Apr. 30, 1991 |
| 4932687 |
Flexible fluid transfer fitting with zero reactive force |
Jun. 12, 1990 |
| 4848803 |
Fabric expansion joints for exhaust systems of gas turbines |
Jul. 18, 1989 |
| 4846509 |
Flexible joint means |
Jul. 11, 1989 |
| 4838581 |
Joint structure for a tube support plate and a tube |
Jun. 13, 1989 |
| 4798492 |
Shaft coupling and method for using same |
Jan. 17, 1989 |
| 4765660 |
Elastic pipe connector |
Aug. 23, 1988 |
| 4750763 |
Device for anchoring a flexible tubular system on a rigid shoulder by means of an armature with linked segments |
Jun. 14, 1988 |
| 4749216 |
Device for anchoring a flexible tubular system on a rigid shoulder by means of a fragmented armature |
Jun. 7, 1988 |
| 4732413 |
Expansion joints |
Mar. 22, 1988 |
| 4726609 |
Bead reinforcement with tubular structure with divisible armature |
Feb. 23, 1988 |
| 4718702 |
Expansible coupling |
Jan. 12, 1988 |
| 4717181 |
Elastic pipe connector |
Jan. 5, 1988 |
| 4548429 |
Releasable clamping connection |
Oct. 22, 1985 |
| 4540203 |
Rolling cuff flexible bellows |
Sep. 10, 1985 |
| 4536018 |
Rubber-backed expansion joint |
Aug. 20, 1985 |
| 4480858 |
Flexible pipeline joints |
Nov. 6, 1984 |
| 4421345 |
Flexible pipeline joints |
Dec. 20, 1983 |
| 4416475 |
Flexible coupling |
Nov. 22, 1983 |
| 4325572 |
Arrangement in rain-water drains or manholes |
Apr. 20, 1982 |
| 4299414 |
Expansion joint |
Nov. 10, 1981 |
| 4293152 |
Flexible pipe-connecting fitting |
Oct. 6, 1981 |
| 4289338 |
Belt type expansion joints |
Sep. 15, 1981 |
| 4283078 |
Flexible joint protector |
Aug. 11, 1981 |
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