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Class Information
Number: 254/228
Name: Implements or apparatus for applying pushing or pulling force > Portable implements or apparatus for tensioning flexible material or for extracting stumps or poles > Including expansible chamber fluid motor drive
Description: Implements or apparatus wherein the portion of the implement or apparatus adapted to contact the flexible member or article is moved by driving structure including a fluid powered telescoping device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7182212 |
Floating lifting device |
Feb. 27, 2007 |
| 7140597 |
Carpet stretching device |
Nov. 28, 2006 |
| 6655661 |
Rotating jack winch |
Dec. 2, 2003 |
| 6637727 |
Rail puller including a clamping beam and two clamping members and a method thereof |
Oct. 28, 2003 |
| 6302380 |
Portable injection-casing extractor |
Oct. 16, 2001 |
| 6283451 |
Hydraulic tensioner for mine roof support cables |
Sep. 4, 2001 |
| 5909869 |
Ram winch |
Jun. 8, 1999 |
| 5788417 |
Offshore well stabilization apparatus and method |
Aug. 4, 1998 |
| 5732932 |
Hydraulic ram attachment for a rescue tool |
Mar. 31, 1998 |
| 5632470 |
Wire fencing apparatus |
May. 27, 1997 |
| 5431659 |
Pneumatic wire tensioner |
Jul. 11, 1995 |
| 5277406 |
Hydraulic tension regulating device for elongate tension bearing member |
Jan. 11, 1994 |
| 5054744 |
Pulling device for removing ground embedded structures |
Oct. 8, 1991 |
| 5016731 |
Articulated boom including tensioning apparatus |
May. 21, 1991 |
| 4993687 |
Hydraulic load binder |
Feb. 19, 1991 |
| 4892202 |
Deepwater extended hook travel attachment |
Jan. 9, 1990 |
| 4834761 |
Robotic multiple-jointed digit control system |
May. 30, 1989 |
| 4822006 |
Pole pulling apparatus and method |
Apr. 18, 1989 |
| 4768753 |
Chain tightener |
Sep. 6, 1988 |
| 4712772 |
Power hydraulic gear |
Dec. 15, 1987 |
| 4706343 |
Hydraulic load binder |
Nov. 17, 1987 |
| 4641816 |
Apparatus for stretching, loosening, and fixing a wire member |
Feb. 10, 1987 |
| 4638978 |
Hydropneumatic cable tensioner |
Jan. 27, 1987 |
| 4634101 |
Convertible rope pulling and walking machine |
Jan. 6, 1987 |
| 4622024 |
Apparatus and method for prestretching and tensioning flexible drive members |
Nov. 11, 1986 |
| 4615509 |
Continuous operation linear hydraulic winch |
Oct. 7, 1986 |
| 4609182 |
Device for tensioning and aligning a fabric |
Sep. 2, 1986 |
| 4593884 |
Continuous-advance hydraulic cable mover |
Jun. 10, 1986 |
| 4540159 |
Hydropneumatic cable tensioner |
Sep. 10, 1985 |
| 4475716 |
Height adjustable tower mounted pull assembly |
Oct. 9, 1984 |
| 4472180 |
Apparatus for withdrawing blood from a test tube or the like |
Sep. 18, 1984 |
| 4456226 |
Traction device |
Jun. 26, 1984 |
| 4454633 |
Apparatus for releasing pre-stress cable gripping means when said cable is being detensioned |
Jun. 19, 1984 |
| 4449429 |
Power tool for tensioning hose clamps and the like |
May. 22, 1984 |
| 4448393 |
Apparatus for pulling in and letting out a cable |
May. 15, 1984 |
| 4437648 |
Belt tensioning tool |
Mar. 20, 1984 |
| 4157171 |
Tensioning device for chains, wire ropes etc. |
Jun. 5, 1979 |
| 4013266 |
Cable tensioning device with improved loading and removal capability |
Mar. 22, 1977 |
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