| |
 |
|
Class Information
Number: 285/411
Name: Pipe joints or couplings > Flange > Clamped > Band type > Screw > Segmented ring
Description: Devices in which the clamping ring is made of several parts some of which may be pivotally connected.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7425023 |
Profiled clamp |
Sep. 16, 2008 |
| 7384077 |
Coupling apparatus |
Jun. 10, 2008 |
| 7147254 |
Coupling apparatus |
Dec. 12, 2006 |
| 7104572 |
Tapping sleeve with mechanical joint connection |
Sep. 12, 2006 |
| 6971413 |
Apparatus for repairing an underwater pipe |
Dec. 6, 2005 |
| 6536811 |
Pipe coupling with assembly tool |
Mar. 25, 2003 |
| 6533333 |
Hinged mechanical couplings with interfitting ends |
Mar. 18, 2003 |
| 6523866 |
Constant tension clamping device for flanged connections |
Feb. 25, 2003 |
| 6508492 |
Swiveling hose coupling |
Jan. 21, 2003 |
| 6499774 |
Radial wedge flange clamp |
Dec. 31, 2002 |
| 6499773 |
Articulated clamp connector |
Dec. 31, 2002 |
| 6367849 |
Joint for corrugated pipe |
Apr. 9, 2002 |
| 6367843 |
Remote operable fastener and method of use |
Apr. 9, 2002 |
| 6264251 |
Segmented flange coupler for grooved pipe |
Jul. 24, 2001 |
| 6050545 |
Bulk container valve |
Apr. 18, 2000 |
| 6030006 |
Spring biased clamping device for flanged connections |
Feb. 29, 2000 |
| 5967564 |
Tight coupling between two equipments such as pipes |
Oct. 19, 1999 |
| 5951066 |
Connecting system for wellhead components |
Sep. 14, 1999 |
| 5908210 |
Automated flange retaining clamp with redundant fasteners |
Jun. 1, 1999 |
| 5873611 |
Pipe clamping device |
Feb. 23, 1999 |
| 5868442 |
Pipe joint fixing ring |
Feb. 9, 1999 |
| 5842526 |
Sprinkler head mounting system |
Dec. 1, 1998 |
| 5707089 |
Device for pressing two flanges of a pipe connection against one another |
Jan. 13, 1998 |
| 5653481 |
Pipe clamp with live loading nut assembly |
Aug. 5, 1997 |
| 5645303 |
Compact pipe coupling device |
Jul. 8, 1997 |
| 5522625 |
Coupling device |
Jun. 4, 1996 |
| 5513228 |
Clamp for two tubular components, having a safety blocking device, and use of such clamp |
Apr. 30, 1996 |
| 5509702 |
Low distortion pipe coupling device |
Apr. 23, 1996 |
| 5499849 |
Device for forcing two conical flanges of a pipe coupling together under pressure |
Mar. 19, 1996 |
| 5301986 |
Clamp |
Apr. 12, 1994 |
| 5282654 |
Pipe coupling sleeve |
Feb. 1, 1994 |
| 5277458 |
Chains for pipe flange connections having an electric tightener |
Jan. 11, 1994 |
| 5118139 |
Leak repair clamp |
Jun. 2, 1992 |
| 5018548 |
Segmented coupling for pipes |
May. 28, 1991 |
| 4924913 |
Tube coupling system |
May. 15, 1990 |
| 4919453 |
Low profile V-coupling |
Apr. 24, 1990 |
| 4915418 |
Hinged pipe coupling |
Apr. 10, 1990 |
| 4885122 |
Instrumentation port clamps |
Dec. 5, 1989 |
| 4812285 |
Instrumentation port clamps and clamping systems |
Mar. 14, 1989 |
| 4784202 |
Wheel rim fastener |
Nov. 15, 1988 |
| 4781406 |
Clamping apparatus for joining two flanges |
Nov. 1, 1988 |
| 4739542 |
Safety coupling clamp |
Apr. 26, 1988 |
| 4722561 |
Segmented Vee clamp |
Feb. 2, 1988 |
| 4681353 |
V-coupling for installation in narrow annular spaces |
Jul. 21, 1987 |
| 4679622 |
Take-apart fitting for multi-tube heat exchanger |
Jul. 14, 1987 |
| 4640530 |
Tight connection device |
Feb. 3, 1987 |
| 4639020 |
Self-adjusting pipe clamp and coupling |
Jan. 27, 1987 |
| 4611839 |
Self-adjusting pipe clamp and coupling |
Sep. 16, 1986 |
| 4601334 |
Control line protector for oil well tubing string |
Jul. 22, 1986 |
| 4568115 |
Multi-piece pipe clamp |
Feb. 4, 1986 |
|
|
|
