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Class Information
Number: 254/95
Name: Implements or apparatus for applying pushing or pulling force > Rack and pinion
Description: Pushing and pulling implement comprising an extensible rack member actuated by a pinion for operating upon the load.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7331567 |
Coupling device for two connecting poles |
Feb. 19, 2008 |
| 7011471 |
Jacking method and apparatus |
Mar. 14, 2006 |
| 6981822 |
Jack-up apparatus for marine-based platforms |
Jan. 3, 2006 |
| 6705802 |
Temporary support for offshore drilling platform |
Mar. 16, 2004 |
| 6652194 |
Jack-up mobile offshore drilling units (MODUs) and jacking method and apparatus |
Nov. 25, 2003 |
| 6581910 |
Rack-type kinematic mechanism, in particular for vehicle lifts |
Jun. 24, 2003 |
| 6543966 |
Drive system for inserting and extracting elongate members into the earth |
Apr. 8, 2003 |
| 6443428 |
Nail removing apparatus |
Sep. 3, 2002 |
| 6431795 |
Systems and methods for inserting wick drain material |
Aug. 13, 2002 |
| 6336622 |
Tower |
Jan. 8, 2002 |
| 6302377 |
Post pulling apparatus |
Oct. 16, 2001 |
| 6224037 |
Column for lifting loads |
May. 1, 2001 |
| 6206345 |
Pipe pusher |
Mar. 27, 2001 |
| 6101702 |
Windshield lift and method of use |
Aug. 15, 2000 |
| 6086757 |
Guide rollers for cog rake bar screens |
Jul. 11, 2000 |
| 6039508 |
Apparatus for inserting elongate members into the earth |
Mar. 21, 2000 |
| 6019892 |
Guide tracking for cog rake bar screens |
Feb. 1, 2000 |
| 5979875 |
Mechanical jack transmission |
Nov. 9, 1999 |
| 5951234 |
Pallet loader |
Sep. 14, 1999 |
| 5921714 |
Device for releasing a screw jack mechanism |
Jul. 13, 1999 |
| 5915882 |
Jack-up platform locking apparatus and method |
Jun. 29, 1999 |
| 5452774 |
Endless roller chain drive with interlocking traction rail |
Sep. 26, 1995 |
| 5443342 |
Device for positioning cargo |
Aug. 22, 1995 |
| 5441238 |
Apparatus for lifting one side of a sofa for vacuuming therebeneath |
Aug. 15, 1995 |
| 5314157 |
Elongatable support |
May. 24, 1994 |
| 5186429 |
Elongatable support |
Feb. 16, 1993 |
| 5183236 |
Locking device for rectilinear or circular displacement mechanical jacks |
Feb. 2, 1993 |
| 5170994 |
Rack and pinion jack |
Dec. 15, 1992 |
| 5139366 |
Offshore jackup rig locking apparatus and method |
Aug. 18, 1992 |
| 5125290 |
Rack and pinion lifter |
Jun. 30, 1992 |
| 5020777 |
High lift jack |
Jun. 4, 1991 |
| 5012689 |
Vehicle foot pedal actuator apparatus and method |
May. 7, 1991 |
| 4976413 |
Mechanical jacking device |
Dec. 11, 1990 |
| 4901982 |
Method intended to facilitate disengagement of mechanisms applying high stress to one another |
Feb. 20, 1990 |
| 4848735 |
Gear box for rack and pinion jack and method of making same |
Jul. 18, 1989 |
| 4830336 |
Arrangement in a hoisting device, especially for a derrick |
May. 16, 1989 |
| 4830337 |
Device for pushing and pulling an accessory instrument of manufacturing plant |
May. 16, 1989 |
| 4813814 |
Leg-holding device for offshore platform |
Mar. 21, 1989 |
| 4811930 |
Overhang arms for rack and pinion jack of a lifting and depositing device for transportable large containers or the like |
Mar. 14, 1989 |
| 4792121 |
Lifter |
Dec. 20, 1988 |
| RE32589 |
Mobile offshore, self-elevating (jack-up) unit leg/hull rigidification system |
Feb. 2, 1988 |
| 4662787 |
Locking device for locking off-shore work platform to leg chord used for lifting work platform |
May. 5, 1987 |
| 4655640 |
Advancing mechanism and system utilizing same for raising and lowering a work platform |
Apr. 7, 1987 |
| 4627768 |
Locking device for oil platforms |
Dec. 9, 1986 |
| 4538938 |
Adjustable locking chock system |
Sep. 3, 1985 |
| 4512553 |
Jack-up unit |
Apr. 23, 1985 |
| 4500072 |
Low profile jack construction |
Feb. 19, 1985 |
| 4497591 |
Advancing mechanism and system utilizing same for raising and lowering a work platform |
Feb. 5, 1985 |
| 4472083 |
Oil well rig with water tower |
Sep. 18, 1984 |
| 4456224 |
Jacking mechanism for self-raising ocean platforms |
Jun. 26, 1984 |
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