| |
 |
|
Class Information
Number: 285/31
Name: Pipe joints or couplings > With assembly means or feature > Inserted section
Description: Subject matter wherein means are provided for the lateral insertion of a section between the ends of two fixed pipes to complete the line.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5407237 |
Flexible coupling |
Apr. 18, 1995 |
| 5402643 |
Flexible oil drain tube for turbocharger |
Apr. 4, 1995 |
| 5393103 |
Method and coupler for joining conduits and a method of making the coupler |
Feb. 28, 1995 |
| 5372495 |
Molding machine |
Dec. 13, 1994 |
| 5294154 |
Temporary selective pipe connection apparatus with multiple inlets and outlets |
Mar. 15, 1994 |
| 5172940 |
Connector device for connecting small diameter pipe |
Dec. 22, 1992 |
| 5141258 |
Expansion joint for conduit for cables |
Aug. 25, 1992 |
| 5127479 |
Fire extinguishing system for cookstoves and ranges |
Jul. 7, 1992 |
| 5120083 |
Expansion joint for conduit for cables |
Jun. 9, 1992 |
| 5098132 |
Length compensating joint |
Mar. 24, 1992 |
| 5082313 |
Cut-in repair coupling |
Jan. 21, 1992 |
| 5056755 |
Gate valve |
Oct. 15, 1991 |
| 5052721 |
Water meter service coupling |
Oct. 1, 1991 |
| 5052224 |
Shielded sight gauge for storage tanks |
Oct. 1, 1991 |
| 5044674 |
Angularly adjustable pipe connector |
Sep. 3, 1991 |
| 5029905 |
Coupling apparatus for repairing asbestos cement pipe |
Jul. 9, 1991 |
| 5020832 |
Flexible pipe saddle |
Jun. 4, 1991 |
| 5011193 |
Device for the tight, dismantlable coupling of two tubes, particularly for a fuel transfer installation |
Apr. 30, 1991 |
| 4946213 |
Tube couplings |
Aug. 7, 1990 |
| 4936004 |
Apparatus for insertion of an object into a close clearance hole |
Jun. 26, 1990 |
| 4889450 |
Guidance and protection system for the laying of pipes |
Dec. 26, 1989 |
| 4858958 |
Slip-joint coupling |
Aug. 22, 1989 |
| 4836581 |
Device for making a sealed connection |
Jun. 6, 1989 |
| 4815650 |
Hydraulically activated welding flange |
Mar. 28, 1989 |
| 4810008 |
Method and apparatus for repairing lawn sprinkler systems |
Mar. 7, 1989 |
| 4804209 |
Plummer's union |
Feb. 14, 1989 |
| 4786244 |
Coupling device |
Nov. 22, 1988 |
| 4761023 |
Telescoping joint |
Aug. 2, 1988 |
| 4751938 |
Apparatus for supporting structure between bolted flanges |
Jun. 21, 1988 |
| 4722127 |
Method of servicing condensate line of an air conditioner |
Feb. 2, 1988 |
| 4718698 |
Apparatus and method of forming fusion welded butt joint between thermoplastic pipe sections |
Jan. 12, 1988 |
| 4698199 |
Retractable duct connectors in a nuclear reactor |
Oct. 6, 1987 |
| 4696494 |
Flowline adjustable joint |
Sep. 29, 1987 |
| 4690434 |
Pipe coupling |
Sep. 1, 1987 |
| 4687232 |
Pipe slip joint system |
Aug. 18, 1987 |
| 4684156 |
Preloaded space structural coupling joint |
Aug. 4, 1987 |
| 4664419 |
Retractable flow line connector |
May. 12, 1987 |
| 4657188 |
Spray system for a dishwashing machine |
Apr. 14, 1987 |
| 4639016 |
Pipeline repair kit |
Jan. 27, 1987 |
| 4634150 |
Conduit arrangement for interconnecting stationary conduit extensions |
Jan. 6, 1987 |
| H176 |
Slip tee pipe fitting |
Dec. 2, 1986 |
| 4592574 |
Conduit coupling assembly and method of use |
Jun. 3, 1986 |
| 4549756 |
Conduit coupling assembly |
Oct. 29, 1985 |
| 4547004 |
Coupling |
Oct. 15, 1985 |
| 4521037 |
Pipe coupling |
Jun. 4, 1985 |
| 4435005 |
Joint for conduit with single threaded end |
Mar. 6, 1984 |
| 4429903 |
Pipe coupling device for receiving removably insertable valve |
Feb. 7, 1984 |
| 4423311 |
Electric heating apparatus for de-icing pipes |
Dec. 27, 1983 |
| 4420176 |
Elastomeric joint for use between rigid fittings and rigid pipe and method of use |
Dec. 13, 1983 |
| 4417735 |
Seal ring with trapezoidal contour and spreading element |
Nov. 29, 1983 |
|
|
|
