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Class Information
Number: 29/890.14
Name: Metal working > Method of mechanical manufacture > Gas and water specific plumbing component making
Description: Process for manufacturing an article especially adapted for use with gaseous phase matter or with aqueous material, which article is utilized generally by a skilled plumber in the practice of his trade.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5890287 |
Connection structure and process for connecting eye joints and slender metal pipes |
Apr. 6, 1999 |
| 5887912 |
Flare-type pipe joint |
Mar. 30, 1999 |
| 5863078 |
Pipe coupling |
Jan. 26, 1999 |
| 5809645 |
Method for in situ installation of catalyst modules in an off-gas channel |
Sep. 22, 1998 |
| 5730472 |
Flangeless pipe joint and a process for manufacturing such a joint |
Mar. 24, 1998 |
| 5699859 |
Well water recirculation valve and method of manufacturing thereof |
Dec. 23, 1997 |
| 5683116 |
O-ring push-pull pipe joint |
Nov. 4, 1997 |
| 5678307 |
Method of manufacturing rupturable pressure relieving apparatus |
Oct. 21, 1997 |
| 5673481 |
Air grid for underdrains and similar systems |
Oct. 7, 1997 |
| 5653477 |
High pressure access fitting and method |
Aug. 5, 1997 |
| 5625947 |
Method for forming a vacuum port manifold |
May. 6, 1997 |
| 5622391 |
Hose/clamp assembly |
Apr. 22, 1997 |
| 5607189 |
Rotary joint for pressurized fluids |
Mar. 4, 1997 |
| 5577775 |
Bearingless coolant union |
Nov. 26, 1996 |
| 5575509 |
Vacuum cleaner hose assembly, a flexible hose therefor and methods of making the same |
Nov. 19, 1996 |
| 5568687 |
Method of fabricating a tank and method of fabricating a tank connector therefor |
Oct. 29, 1996 |
| 5564177 |
Method of making captive O-ring face seal |
Oct. 15, 1996 |
| 5546783 |
Crimp sealing of tubes flush with or below a fixed surface |
Aug. 20, 1996 |
| 5542713 |
Hose coupling device |
Aug. 6, 1996 |
| 5473815 |
Method for producing a connector for fluid pipe elements |
Dec. 12, 1995 |
| 5452507 |
Method for laying underwater pipelines in deep water |
Sep. 26, 1995 |
| 5437087 |
Method of attaching an interduct to aduct |
Aug. 1, 1995 |
| 5435061 |
Method of manufacturing a static mixing unit |
Jul. 25, 1995 |
| 5363541 |
Method for repairing a transport pipe |
Nov. 15, 1994 |
| 5348211 |
Joining of metallic pipe lined with thermoplastic polymer |
Sep. 20, 1994 |
| 5341566 |
Conduit attachment |
Aug. 30, 1994 |
| 5257825 |
Barb and swivel spout elbow fittings |
Nov. 2, 1993 |
| 5255434 |
Process and apparatus for the continuous production of an irrigating tube |
Oct. 26, 1993 |
| 5253507 |
Method of forming a spacer used to space end to end piping |
Oct. 19, 1993 |
| 5212885 |
High gas sealibility makeup for API buttress connections |
May. 25, 1993 |
| 5181413 |
Pipe collapsing attachment |
Jan. 26, 1993 |
| 5171511 |
Tuyere and method for discharging gas into a furnace |
Dec. 15, 1992 |
| 5150519 |
Method for producing a locked, tight pipe-connection |
Sep. 29, 1992 |
| 5079824 |
Method for the installation of a jacket reinforcement for piping |
Jan. 14, 1992 |
| 5062207 |
Method of making live gas main insertions |
Nov. 5, 1991 |
| 5054794 |
Clamping band for gaskets and the like and expansion means therefor |
Oct. 8, 1991 |
| 5049224 |
Method of fabricating pipe units |
Sep. 17, 1991 |
| 5031302 |
Method of making a filler pipe for a fuel tank of a motor vehicle |
Jul. 16, 1991 |
| 5022147 |
Method of assembling a suction strainer |
Jun. 11, 1991 |
| 5018273 |
Process for producing an orifice plate for pelletizing of plastics |
May. 28, 1991 |
| 4999900 |
Method for installing product monitoring device in underground storage tanks |
Mar. 19, 1991 |
| 4982490 |
Method of lining a fluid conduit |
Jan. 8, 1991 |
| 4962582 |
Method of making a composite male hose coupler having integrally molded nut |
Oct. 16, 1990 |
| 4951391 |
Method of manufacturing fittings for tube or pipe |
Aug. 28, 1990 |
| 4946213 |
Tube couplings |
Aug. 7, 1990 |
| 4924569 |
Method of repairing a leaking cooling coil-to-expansion valve coupling using a clamp-on nut |
May. 15, 1990 |
| 4911205 |
Apparatus and method for duct vane mounting |
Mar. 27, 1990 |
| 4903388 |
Method of branching off a tube |
Feb. 27, 1990 |
| 4901413 |
Method and apparatus for establishing multi-stage gas separation upstream of a submersible pump |
Feb. 20, 1990 |
| 4897910 |
Method for removing sprinkler pipe from a field |
Feb. 6, 1990 |
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