LIFT-U, DIVISION OF HOGAN MFG., INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E01D BRIDGES 303
 
  
 
B60P VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS 1127
 
  
 
E04F FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS 621
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 551
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 562
 
  
 
B66B ELEVATORS; ESCALATORS OR MOVING WALKWAYS 523
 
  
 
B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD 221
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 268
 
  
 
F16H GEARING298
 
  
 
A61G TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS 135

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9820899 Fold out rampOct 31, 13Nov 21, 17[A61G, B60P, E01D]
9708815 Operable rampFeb 03, 17Jul 18, 17[E04F]
9587404 Operable rampApr 19, 16Mar 07, 17[E04F]
9580910 Operable rampSep 11, 15Feb 28, 17[E04F]
9271883 Ramp assembly with tilt sensorMar 01, 13Mar 01, 16[A61G, B60P]
9169905 Drive assembly with override mechanismFeb 13, 14Oct 27, 15[F16H]
9050229 Fold out rampOct 31, 13Jun 09, 15[A61G, B60P]
9045908 Operable rampDec 03, 14Jun 02, 15[E04F, E01C]
8943631 Operable rampAug 22, 14Feb 03, 15[E04F]
8938837 Ramp assembly installation methodJul 12, 12Jan 27, 15[B21D, E01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8631528 Self adjusting latch for a rampExpiredFeb 13, 13Jan 21, 14[E01D]
2013/0174,359 LATCH FOR A FOLD OUT RAMPAbandonedJul 10, 12Jul 11, 13[B60P, E01D]
2011/0072,598 COUNTERBALANCE ASSEMBLY FOR A FOLD OUT RAMPAbandonedDec 17, 10Mar 31, 11[A61G, E01D]
2011/0023,246 COUNTERBALANCE ASSEMBLY FOR A FOLD OUT RAMPAbandonedJan 28, 10Feb 03, 11[E01D]
2008/0271,266 LATCH FOR A FOLD OUT RAMPAbandonedMay 02, 08Nov 06, 08[E01D]
7326024 Wheelchair lift assembly having a compact stowed profileExpiredFeb 18, 04Feb 05, 08[B60P]
2008/0017,455 DRIVE ASSEMBLY WITH OVERRIDE MECHANISMAbandonedDec 22, 06Jan 24, 08[B66B]
6971834 Redundant support systems for stowable passenger lift assembliesExpiredApr 30, 03Dec 06, 05[B60P]
2004/0136,820 Fld-out ramp having a load dampenerAbandonedDec 23, 03Jul 15, 04[B60P]
2003/0213,653 Wheelchair lift for a stageAbandonedFeb 28, 03Nov 20, 03[B66F, B66B]
2003/0007,853 Low floor vehicle ramp assemblyAbandonedJun 25, 02Jan 09, 03[B60P]
6409458 Low floor vehicle ramp assemblyExpiredMay 02, 00Jun 25, 02[B60P]
2002/0057,960 Wheelchair lift assembly having a lift arm supportAbandonedOct 25, 01May 16, 02[A61G]
2001/0049,908 Automatic mechanism for wheelchair lift passenger access doorAbandonedJan 16, 01Dec 13, 01[E05F]
2001/0043,853 Low floor vehicle ramp assemblyAbandonedFeb 13, 01Nov 22, 01[B65F]
2001/0008,606 Low floor vehicle ramp assemblyAbandonedFeb 13, 01Jul 19, 01[B60P]
2001/0005,478 Low floor vehicle ramp assemblyAbandonedFeb 13, 01Jun 28, 01[B65F]
6238168 Ramp assembly with locking mechanismsExpiredNov 16, 99May 29, 01[B60P]
6210098 Low floor vehicle ramp assemblyExpiredApr 13, 99Apr 03, 01[B60P]
6203265 Ramp assembly with lifting leversExpiredDec 10, 99Mar 20, 01[B60P]

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