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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 |
| 5116032 |
Rolling table with height adjustment and brake device |
May. 26, 1992 |
| 5098065 |
Mine extraction device and method |
Mar. 24, 1992 |
| 5096009 |
Method and arrangement for displacing forces |
Mar. 17, 1992 |
| 5048795 |
Forcible access tool |
Sep. 17, 1991 |
| 5005812 |
Pneumatic bearing jack and adaptors |
Apr. 9, 1991 |
| 4993686 |
Transmission work station |
Feb. 19, 1991 |
| 4982465 |
Level-variable supporting apparatus |
Jan. 8, 1991 |
| 4974497 |
Hydraulic muscle terminator with bleed seal |
Dec. 4, 1990 |
| 4973028 |
Rescue tool jaw |
Nov. 27, 1990 |
| 4973027 |
Jack |
Nov. 27, 1990 |
| 4960265 |
Devices for applying pressure to a closed door |
Oct. 2, 1990 |
| 4939982 |
Axially contractable actuator |
Jul. 10, 1990 |
| 4930750 |
Apparatus for lifting tanks |
Jun. 5, 1990 |
| 4928926 |
Fluid pressure operated push beam and apparatus comprising one or more of such push beams |
May. 29, 1990 |
| 4921385 |
Truck with a hand-operatable bed |
May. 1, 1990 |
| 4919234 |
Portable lift |
Apr. 24, 1990 |
| 4912890 |
Air/water cranes |
Apr. 3, 1990 |
| 4913402 |
Automotive floor jack |
Apr. 3, 1990 |
| 4909062 |
Force-applying tool particularly useful for force-opening window grille bars |
Mar. 20, 1990 |
| 4895479 |
Lift for watercraft |
Jan. 23, 1990 |
| 4890818 |
Door forcing apparatus |
Jan. 2, 1990 |
| 4886243 |
Hydraulic jack ramp |
Dec. 12, 1989 |
| 4869465 |
Power-operated spreader tool |
Sep. 26, 1989 |
| 4867416 |
Portable hydraulic lift for large lamps and the like |
Sep. 19, 1989 |
| 4842249 |
Spreader type rescue tool |
Jun. 27, 1989 |
| 4834339 |
Hydraulic jack system |
May. 30, 1989 |
| 4805875 |
Jack assembly for railroad cars |
Feb. 21, 1989 |
| 4801126 |
Hydraulically operated lift mechanism |
Jan. 31, 1989 |
| 4796721 |
System for displacing a power pack from a vehicle |
Jan. 10, 1989 |
| 4787781 |
Shoring device |
Nov. 29, 1988 |
| 4784400 |
Vehicle leveling and stabilizing apparatus |
Nov. 15, 1988 |
| 4783053 |
Device for force-opening doors |
Nov. 8, 1988 |
| 4782687 |
Power tool for auto body repair |
Nov. 8, 1988 |
| 4779843 |
Jack with drain valve |
Oct. 25, 1988 |
| 4779842 |
Height-adjustable rubber pot bearing with an elastomer plate |
Oct. 25, 1988 |
| 4771531 |
Device for lifting vehicle wheels |
Sep. 20, 1988 |
| 4771221 |
Apparatus for ensuring synchronism in lifting jacks |
Sep. 13, 1988 |
| 4768753 |
Chain tightener |
Sep. 6, 1988 |
| 4762304 |
Fluid-operated door opener |
Aug. 9, 1988 |
| 4736927 |
Linear force device |
Apr. 12, 1988 |
| 4714238 |
Hydraulic jacking system for unseating wedge from rope sockets |
Dec. 22, 1987 |
| 4695035 |
Jack for installing a mine stopping |
Sep. 22, 1987 |
| 4687182 |
Height adjustable pot bearing |
Aug. 18, 1987 |
| 4664586 |
Closure member handling system |
May. 12, 1987 |
| 4660806 |
Push stick for plumb and line adjustment of stud walls |
Apr. 28, 1987 |
| 4661749 |
Apparatus for ensuring synchronism in lifting jacks |
Apr. 28, 1987 |
| 4657095 |
Compact ice basket weighing tool |
Apr. 14, 1987 |
| 4641699 |
Tire bead breaking device |
Feb. 10, 1987 |
| 4625944 |
Safety device for lifting apparatus |
Dec. 2, 1986 |
| 4592532 |
Expansible support and method of use |
Jun. 3, 1986 |
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