Inventor · disambiguated record
Alan Cohn
Also filed as: COHN ALAN · COHN ALAN R
23 granted patents·9 pending applications·917 citations·filing 1979–2010
97Inventor score
Files withLIFT U DIVISION HOGAN MFG INC21LIFT U A DIVISION OF HOGAN MFG INC4GROVE VALVE & REGULATOR CO2COHN ALAN R1LIFT U1
Top patents by PatentIndex Score
32 records- 0197US6602041B2Vehicle flip-out rampLIFT U DIVISION HOGAN MFG INC·Filed 2000·Granted Aug 5, 2003·78 cites·45 claims
- 0296US6843635B2Vehicle fold-out rampLIFT U DIVISION HOGAN MFG INC·Filed 2002·Granted Jan 18, 2005·69 cites·39 claims
- 0394US6409458B1Low floor vehicle ramp assemblyLIFT U DIVISION HOGAN MFG INC·Filed 2000·Granted Jun 25, 2002·65 cites·14 claims
- 0493US6238168B1Ramp assembly with locking mechanismsLIFT U DIVISION HOGAN MFG INC·Filed 1999·Granted May 29, 2001·74 cites·8 claims
- 0592US7913341B1Counterbalance mechanism for fold out rampLIFT U A DIVISION OF HOGAN MFG INC·Filed 2010·Granted Mar 29, 2011·17 cites·12 claims
- 0692US6010298ALow floor vehicle ramp assemblyLIFT U DIVISION HOGAN MFG INC·Filed 1999·Granted Jan 4, 2000·71 cites·4 claims
- 0791US6203265B1Ramp assembly with lifting leversLIFT U DIVISION HOGAN MFG INC·Filed 1999·Granted Mar 20, 2001·60 cites·23 claims
- 0889US7913342B1Counterbalance mechanism for fold out rampLIFT U A DIVISION OF HOGAN MFG INC·Filed 2010·Granted Mar 29, 2011·15 cites·10 claims
- 0988US7913343B1Counterbalance mechanism for fold out rampLIFT U A DIVISION OF HOGAN MFG INC·Filed 2010·Granted Mar 29, 2011·23 cites·9 claims
- 1086US8122552B2Counterbalance mechanism for fold out rampMORRIS DONALD·Filed 2010·Granted Feb 28, 2012·17 cites·4 claims
- 1185US6210098B1Low floor vehicle ramp assemblyLIFT U DIVISION HOGAN MFG INC·Filed 1999·Granted Apr 3, 2001·43 cites·17 claims
- 1284US8020234B2Counterbalance mechanism for fold out rampLIFT U A DIVISION OF HOGAN MFG INC·Filed 2010·Granted Sep 20, 2011·18 cites·9 claims
- 1384US7896134B2Low-rise vertical platform lift assembly with low-profile lifting mechanismLIFT U DIVISION HOGAN MFG INC·Filed 2006·Granted Mar 1, 2011·16 cites·27 claims
- 1484US6186733B1Low floor vehicle ramp assemblyLIFT U DIVISION HOGAN MFG INC·Filed 1998·Granted Feb 13, 2001·66 cites·25 claims
- 1583US8286754B2Vertical lift platform assemblyCOHN ALAN R·Filed 2007·Granted Oct 16, 2012·17 cites·13 claims
- 1681US6039528AWheelchair lift with improved outer, inner, and side barriersLIFT U DIVISION OF HOGAN MANUF·Filed 1996·Granted Mar 21, 2000·68 cites·10 claims
- 1778US4261387APipeline surge relief systemGROVE VALVE & REGULATOR CO·Filed 1979·Granted Apr 14, 1981·28 cites·7 claims
- 1877US5865593AWheelchair lift with wheelchair barrier platform interlock mechanismLIFT U DIVISION HOGAN MFG INC·Filed 1996·Granted Feb 2, 1999·69 cites·25 claims
- 1975US7326024B2Wheelchair lift assembly having a compact stowed profileLIFT U DIVISION HOGAN MFG INC·Filed 2004·Granted Feb 5, 2008·34 cites·16 claims
- 2069US6095747AWheelchair lift with improved outer, inner, and side barriersLIFT U DIVISION HOGAN MFG INC·Filed 1998·Granted Aug 1, 2000·44 cites·22 claims
- 2147US5678932ASplit bearingLIFT U DIVISION HOGAN MFG INC·Filed 1995·Granted Oct 21, 1997·9 cites·20 claims
- 2247US2008017455A1Drive assembly with override mechanismLIFT U DIVISION HOGAN MFG INC·Filed 2006·Application pending·0 cites
- 2345US4282757ADevice for detecting rate of change in pressureGROVE VALVE & REGULATOR CO·Filed 1979·Granted Aug 11, 1981·9 cites·5 claims
- 2442US5803615ASplit bearingLIFT U DIVISION HOGAN MFG INC·Filed 1997·Granted Sep 8, 1998·7 cites·9 claims
- 2542US2004136820A1Fld-out ramp having a load dampenerLIFT U DIVISION HOGAN MFG INC·Filed 2003·Application pending·0 cites
- 2640US2003007853A1Low floor vehicle ramp assemblyLIFT U DIVISION HOGAN MFG INC·Filed 2002·Application pending·0 cites
- 2740US2001008606A1Low floor vehicle ramp assemblyLIFT U DIVISION HOGAN MFG INC·Filed 2001·Application pending·0 cites
- 2840US2001043853A1Low floor vehicle ramp assemblyLIFT U DIVISION HOGAN MFG INC·Filed 2001·Application pending·0 cites
- 2938US2001049908A1Automatic mechanism for wheelchair lift passenger access doorLIFT U DIVISION HOGAN MFG INC·Filed 2001·Application pending·0 cites
- 3037US2002057960A1Wheelchair lift assembly having a lift arm supportLIFT U·Filed 2001·Application pending·0 cites
- 3132US2001005478A1Low floor vehicle ramp assemblyLIFT U DIVISION HOGAN MFG INC·Filed 2001·Application pending·0 cites
- 3231US2004096304A1Vehicle flip-out rampFiled 2003·Application pending·0 cites
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