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Class Information
Number: 254/133R
Name: Implements or apparatus for applying pushing or pulling force > Special engaging elements
Description:










Sub-classes under this class:

Class Number Class Name Patents
254/134 Adjustable 235
254/133A Sharing props (nonhydraulic) 21


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
6089544 Safety stand for trailer loading Jul. 18, 2000
6070856 Car jack Jun. 6, 2000
6009927 Method and apparatus for installing carpet Jan. 4, 2000
6000681 Saddle structure for an extendable jack Dec. 14, 1999
H1823 Bus bar screw jack Dec. 7, 1999
5979879 Sidewalk leveling device Nov. 9, 1999
5961098 Lifting jack support system Oct. 5, 1999
5915670 Apparatus for lifting furniture in place to install floor covering beneath it Jun. 29, 1999
5915672 Collapsible jack stand and method therefor Jun. 29, 1999
5904340 Hydraulic device for automobile accidents May. 18, 1999
5899258 Ram device May. 4, 1999
5897121 Drill attachment and tool for actuating jacks on trailers Apr. 27, 1999
5897100 Apparatus for removing an engine from a van Apr. 27, 1999
5878995 Lifting device for concrete mixer vehicle drum Mar. 9, 1999
5868379 Safety stand for trailer loading Feb. 9, 1999
5855360 Modular panel lifter and adapter Jan. 5, 1999
5853163 Post plumbing device Dec. 29, 1998
5829220 Wall straightening device and method of straightening Nov. 3, 1998
5816562 Sand jack apparatus Oct. 6, 1998
5810333 Ram device Sep. 22, 1998
5806836 Track jack apparatus Sep. 15, 1998
5806837 Off-road snow jack Sep. 15, 1998
5800094 Apparatus for lifting and supporting structures Sep. 1, 1998
5779225 Semi-tractor lifting connector Jul. 14, 1998
5755429 Lifting device May. 26, 1998
5732932 Hydraulic ram attachment for a rescue tool Mar. 31, 1998
5732931 Mobile vehicle jack having an engageable support member Mar. 31, 1998
5722798 System for raising and supporting a building Mar. 3, 1998
5687953 Jack apparatus Nov. 18, 1997
5678804 Jacking device for lawn mowing equipment Oct. 21, 1997
5673591 Electric cylinder Oct. 7, 1997
5622354 Post plumbing device Apr. 22, 1997
5602887 Tool for pushing tie rod assembly suspended in downcomer annulus of boiling water reactor Feb. 11, 1997
5588639 One man lift for motorcycles Dec. 31, 1996
5529287 Lifting device Jun. 25, 1996
5516066 Load rest for pantograph jack May. 14, 1996
5499796 Apparatus for exchanging seal of shock absorbing apparatus Mar. 19, 1996
5462257 Jack stand Oct. 31, 1995
5386969 Plastic load rest for a jack Feb. 7, 1995
5385335 Method for lifting modular furniture Jan. 31, 1995
5368134 Tandem wheel block apparatus Nov. 29, 1994
5354034 Foldable car jacking system Oct. 11, 1994
5261643 Apparatus for lifting modular furniture Nov. 16, 1993
5251875 Lifting device for vehicle parts Oct. 12, 1993
5224687 Fence post extractor Jul. 6, 1993
5209458 Flexible leveling device and method of use May. 11, 1993
5192187 Adjustable load bracing crossbar Mar. 9, 1993
5192052 Post extracting fixture Mar. 9, 1993
5181694 Floor covering installation tool Jan. 26, 1993
5181821 Brake drum support apparatus Jan. 26, 1993

1 2 3 4 5










 
 
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