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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 |
| 4162570 |
Method and apparatus for separating a fitting from a tube |
Jul. 31, 1979 |
| 4152817 |
Method of joining plastic pipe to other pipe |
May. 8, 1979 |
| 4150477 |
Pre-loading joint flanges |
Apr. 24, 1979 |
| 4142744 |
Method and apparatus for coupling tubular members |
Mar. 6, 1979 |
| 4128107 |
Surface irrigation gate |
Dec. 5, 1978 |
| 4112567 |
Method of installing plumbing |
Sep. 12, 1978 |
| 4104783 |
Method of thermally insulating a cryogenic storage tank |
Aug. 8, 1978 |
| 4084306 |
Method and apparatus for transporting and wrapping pipe insulation |
Apr. 18, 1978 |
| 4082325 |
Coupling device for connecting a plurality of ports to one pipe |
Apr. 4, 1978 |
| 4075264 |
Method of insulating a container |
Feb. 21, 1978 |
| 4063344 |
Methods for forming a high temperature and shock resistant insulated pipe |
Dec. 20, 1977 |
| 4047412 |
Method of making a pipe fitting and product |
Sep. 13, 1977 |
| 4045851 |
Method of fabrication of hollow filament separatory module |
Sep. 6, 1977 |
| 4038737 |
Method of replacing plumbing |
Aug. 2, 1977 |
| 4024618 |
Method of fabricating gas transmitting body for use in bubble shearing |
May. 24, 1977 |
| 3994055 |
Method of preparing rain gutters for connection thereto of downspouts |
Nov. 30, 1976 |
| 3990135 |
Method of mounting a plumbing fixture |
Nov. 9, 1976 |
| 3984906 |
Sheet wrapper |
Oct. 12, 1976 |
| 3965555 |
Method of forming joints for protectively lined or coated metal |
Jun. 29, 1976 |
| 3958313 |
Method, apparatus and product for improved pipe-to-manhole sealing |
May. 25, 1976 |
| 3943616 |
Method of coupling, and fitting for, lined tubing |
Mar. 16, 1976 |
| 3942232 |
Vent structure fabrication method |
Mar. 9, 1976 |
| 3931670 |
Apparatus and method for connecting two axially spaced apart pipes |
Jan. 13, 1976 |
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