Class Information
Number: 166/102
Name: Wells > Convertible
Description: Devices used below ground level and so designed that (1) by working on them above ground and reassembling all or some of their parts, adding or omitting a part or rearranging or adjusting parts they are changed from devices classifiable in Class 166 to ones which function as devices classifiable in other classes, or (2) by working on them above ground and reassembling all or some of their parts or adding or omitting a part their mode of operation may be changed.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| RE40308 |
Multi-purpose injection and production well system |
May. 13, 2008 |
| 6966366 |
Plunger enhanced chamber lift for well installations |
Nov. 22, 2005 |
| 6481503 |
Multi-purpose injection and production well system |
Nov. 19, 2002 |
| 6182765 |
System and method for deploying a plurality of tools into a subterranean well |
Feb. 6, 2001 |
| 5088559 |
Method and apparatus for running wireline and reeled tubing into a wellbore and stuffing box used in connection therewith |
Feb. 18, 1992 |
| 4926936 |
Multiple purpose liner hanger construction |
May. 22, 1990 |
| 4664196 |
Downhole tool with compressible liquid spring chamber |
May. 12, 1987 |
| 4480697 |
Method and apparatus for converting an oil well to a well with effluent raising by gas-lift |
Nov. 6, 1984 |
| 4467865 |
Well packer provided with dual methods of use |
Aug. 28, 1984 |
| 4421175 |
Method of drilling and casing a well |
Dec. 20, 1983 |
|