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Class Information
Number: 285/408
Name: Pipe joints or couplings > Flange > Clamped > Band type > With intermediate flange engaging member
Description: Devices which include an additional element between the clamping band and the external surfaces of the flanges.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7520539 |
Pipe clamp with gasketed center rib |
Apr. 21, 2009 |
| 7488010 |
Flange assembly |
Feb. 10, 2009 |
| 7431350 |
Flange assembly |
Oct. 7, 2008 |
| 7425023 |
Profiled clamp |
Sep. 16, 2008 |
| 7073826 |
Butt joint between two pipe segments of sheet metal and process for manufacture thereof |
Jul. 11, 2006 |
| 7004512 |
Indented apex V-retainer coupling with cushion |
Feb. 28, 2006 |
| 6938933 |
Corrugated plastic pipe sections having flanged ends and structurally tight joints thereof |
Sep. 6, 2005 |
| 6921115 |
Coupling for pipe including an inclined flange |
Jul. 26, 2005 |
| 6811192 |
Apparatus and associated method for joining and sealing conduits |
Nov. 2, 2004 |
| 6561552 |
Pipe joint and a method for its manufacturing |
May. 13, 2003 |
| 6536811 |
Pipe coupling with assembly tool |
Mar. 25, 2003 |
| 6499773 |
Articulated clamp connector |
Dec. 31, 2002 |
| 6494502 |
Connector for small animal cage systems |
Dec. 17, 2002 |
| 6439619 |
Pipe flange clocking |
Aug. 27, 2002 |
| 5851109 |
Spacer and shim assembly for fluid powered diaphragm pumps |
Dec. 22, 1998 |
| 4845448 |
Arrangement in wave guide flanges |
Jul. 4, 1989 |
| 4781406 |
Clamping apparatus for joining two flanges |
Nov. 1, 1988 |
| 4731178 |
Clamping band for securing flanged members together |
Mar. 15, 1988 |
| 4730636 |
Valve and tapping tee apparatus and method |
Mar. 15, 1988 |
| 4655481 |
Pipe aligning and joining |
Apr. 7, 1987 |
| 4640530 |
Tight connection device |
Feb. 3, 1987 |
| 4613163 |
Joint for pipe |
Sep. 23, 1986 |
| 4568109 |
Pipe aligning and joining |
Feb. 4, 1986 |
| 4550743 |
Bursting disc orientation device |
Nov. 5, 1985 |
| 4543011 |
Clutch for rigidly connecting coaxial parts of construction, especially for Cardan shafts |
Sep. 24, 1985 |
| 4515182 |
Pipe coupling with valve closure safety system |
May. 7, 1985 |
| 4488744 |
Clamp for joining together a pair of flanges |
Dec. 18, 1984 |
| 4469354 |
Breakaway duct coupling |
Sep. 4, 1984 |
| 4438960 |
Clamping & sealing system for flanged ducts |
Mar. 27, 1984 |
| 4418948 |
Elastic coupling for pipes and tubes |
Dec. 6, 1983 |
| 4354522 |
Flexible connecting system for pipes with automatic safety release in case of tensile stress |
Oct. 19, 1982 |
| 4341406 |
Pipe coupling comprising a chain collar |
Jul. 27, 1982 |
| 4331012 |
Lockable meter retention ring |
May. 25, 1982 |
| 4313625 |
Lined pipe assembly |
Feb. 2, 1982 |
| 4225160 |
Low friction remotely operable clamp type pipe connector |
Sep. 30, 1980 |
| 4128921 |
Tension strap with movable tension blocks |
Dec. 12, 1978 |
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