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Class Information
Number: 285/375
Name: Pipe joints or couplings > Packed > Socket > Internal reciprocating packer
Description: Subject matter including internal reciprocating means coacting with the sealing means to perfect the seal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6786517 |
Concentric pipe joint restraint |
Sep. 7, 2004 |
| 6264102 |
Automated transaction machine with note storage reel |
Jul. 24, 2001 |
| 6102449 |
Connector for capillary tubing |
Aug. 15, 2000 |
| 6047994 |
Blocking arrangement |
Apr. 11, 2000 |
| 5882049 |
High pressure quick connect with reduced volumetric displacement and piloted snap ring |
Mar. 16, 1999 |
| 5653476 |
Leakproof rotary joint |
Aug. 5, 1997 |
| 5595406 |
Capillary tubing connector |
Jan. 21, 1997 |
| 5533762 |
Assembly device of an element on a part presenting a fluid channel |
Jul. 9, 1996 |
| 5390963 |
Tube coupler |
Feb. 21, 1995 |
| 5332233 |
Face seal means |
Jul. 26, 1994 |
| 5303959 |
High speed rotary joint |
Apr. 19, 1994 |
| 5209528 |
Pressure-tight plug coupling |
May. 11, 1993 |
| 5169181 |
Impact resistant rotary joint with glide ring seals |
Dec. 8, 1992 |
| 5163722 |
Connection apparatus with ferrule forming structure |
Nov. 17, 1992 |
| 5161831 |
Spacer sleeve |
Nov. 10, 1992 |
| 5112086 |
Coupling device for a corrugated pipe or hose |
May. 12, 1992 |
| 5098136 |
Small-diameter pipe connector |
Mar. 24, 1992 |
| 5052432 |
Universal swivel body for a fluid handling hose connector |
Oct. 1, 1991 |
| 4991883 |
Connection apparatus |
Feb. 12, 1991 |
| 4817995 |
Rotating union with replaceable sealing assembly |
Apr. 4, 1989 |
| 4810126 |
Compact oil slinger and spring loaded retention device |
Mar. 7, 1989 |
| 4802696 |
Quick connect coupling |
Feb. 7, 1989 |
| 4647085 |
Sealing arrangement for pin and box threaded connection of tubular members |
Mar. 3, 1987 |
| 4569539 |
Pipe joint |
Feb. 11, 1986 |
| 4296952 |
Rotary joint |
Oct. 27, 1981 |
| 4269389 |
Coupling device |
May. 26, 1981 |
| 4239266 |
Pipe connector apparatus |
Dec. 16, 1980 |
| 4174282 |
Liquid treatment apparatus |
Nov. 13, 1979 |
| 4138149 |
Pipe element with a terminal hydraulic seal comprising a differential mobile member |
Feb. 6, 1979 |
| 4123092 |
Contraction resistant coupling for pipe lines carrying gases or fluids |
Oct. 31, 1978 |
| 4121859 |
Pressure tight seal |
Oct. 24, 1978 |
| 4078832 |
Pipe coupling with improved seal means |
Mar. 14, 1978 |
| 4068866 |
Stab-type joint for smooth end or flareless pipe |
Jan. 17, 1978 |
| 4047742 |
Pipe connection for compensation of thermal motion |
Sep. 13, 1977 |
| 3977940 |
Emergency cooling system for nuclear reactors |
Aug. 31, 1976 |
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