| |
 |
|
Class Information
Number: 254/93R
Name: Implements or apparatus for applying pushing or pulling force > Fluid pressure
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4581199 |
Earthquake resistant hall for a nuclear boiler and its confinement chamber |
Apr. 8, 1986 |
| 4572480 |
Hydraulic prop |
Feb. 25, 1986 |
| 4550897 |
Track clearing device for pushing apart rail vehicles |
Nov. 5, 1985 |
| 4544134 |
Tool for torsion bar removal |
Oct. 1, 1985 |
| 4526345 |
Double lift jack |
Jul. 2, 1985 |
| 4496062 |
Crane having stabilizing outriggers |
Jan. 29, 1985 |
| 4495789 |
Frame-straightening device |
Jan. 29, 1985 |
| 4479633 |
Telescopic differential column hydraulic cylinder |
Oct. 30, 1984 |
| 4471944 |
Telescopic jack |
Sep. 18, 1984 |
| 4472183 |
Method and apparatus for tensioning bag filters |
Sep. 18, 1984 |
| 4467702 |
Hydraulic jacks |
Aug. 28, 1984 |
| 4461457 |
Push to pull force converter |
Jul. 24, 1984 |
| 4453863 |
Trench shoring device |
Jun. 12, 1984 |
| 4443001 |
Hydraulically operated hand tool for forcing open doors |
Apr. 17, 1984 |
| 4437648 |
Belt tensioning tool |
Mar. 20, 1984 |
| 4404893 |
Hydraulic mine prop |
Sep. 20, 1983 |
| 4403680 |
Hydraulically driven lifting, loading or tipping platform |
Sep. 13, 1983 |
| 4376527 |
Device for tensioning a reinforcing strand |
Mar. 15, 1983 |
| 4365410 |
Conductor transfer device |
Dec. 28, 1982 |
| 4359206 |
Severe duty hydraulic cylinder with continuously effective locking device |
Nov. 16, 1982 |
| 4354302 |
Jacking tool for installing and removing draft gears on railway cars |
Oct. 19, 1982 |
| 4337845 |
Telescopic elevator devices in particular for dollies |
Jul. 6, 1982 |
| 4314592 |
Tree felling system with cam-operated hydraulic check valve |
Feb. 9, 1982 |
| 4309138 |
Floor anchor |
Jan. 5, 1982 |
| 4288898 |
Control rod drive mechanism closure device |
Sep. 15, 1981 |
| 4279068 |
Portable hydraulic gear pulling device |
Jul. 21, 1981 |
| 4279141 |
Power tool |
Jul. 21, 1981 |
| 4273311 |
Rescue tool having spreader plates |
Jun. 16, 1981 |
| 4270733 |
Cable racking system |
Jun. 2, 1981 |
| 4262881 |
Bottle jack anti-bind structure for rectangular lift post |
Apr. 21, 1981 |
| 4247082 |
Fluid jack and locking device |
Jan. 27, 1981 |
| 4245548 |
Automation vertical lift unit |
Jan. 20, 1981 |
| 4244627 |
Lift cylinder assembly |
Jan. 13, 1981 |
| 4244122 |
Modified power unit for snow plows |
Jan. 13, 1981 |
| 4226401 |
Hydraulic floor jack |
Oct. 7, 1980 |
| 4218044 |
Pipeline lifting device |
Aug. 19, 1980 |
| 4198797 |
Method and fixture for lateral and longitudinal positioning of mobile or modular home units |
Apr. 22, 1980 |
| 4189828 |
Conductor transfer device |
Feb. 26, 1980 |
| 4186911 |
Jack with translation and rotation movements |
Feb. 5, 1980 |
| 4182018 |
Method of and apparatus for the stressing of pressure vessels |
Jan. 8, 1980 |
| 4173329 |
Jack for positioning and supporting a machine |
Nov. 6, 1979 |
| 4144713 |
Patient lifting device |
Mar. 20, 1979 |
| 4142449 |
Hydraulic mine prop |
Mar. 6, 1979 |
| 4140191 |
Storage of wheeled vehicles |
Feb. 20, 1979 |
| 4130991 |
Hydraulic pumps |
Dec. 26, 1978 |
| 4130210 |
Self-propelled airplane dolly |
Dec. 19, 1978 |
| 4125164 |
Apparatus and method for lifting a bop from a wellhead |
Nov. 14, 1978 |
| 4119298 |
Tree felling ram with safety check valve |
Oct. 10, 1978 |
| 4103910 |
Piston-cylinder seal assembly |
Aug. 1, 1978 |
| 4102788 |
Plate filter presses |
Jul. 25, 1978 |
|
|
|
