Inventor · disambiguated record
Donald Morris
Also filed as: MORRIS DONALD · MORRIS DONALD L · MORRIS DONALD LEE
57 granted patents·9 pending applications·1,043 citations·filing 1990–2017
99Inventor score
Files withMORRIS DONALD24JOHNSON DAVID14LIFT U DIVISION HOGAN MFG INC11LIFT U A DIVISION OF HOGAN MFG INC5HOGAN MFG INC4
Top patents by PatentIndex Score
66 records- 0197US8375496B1Fold out rampLIFT U DIVISION HOGAN MFG INC·Filed 2012·Granted Feb 19, 2013·30 cites·29 claims
- 0297US6602041B2Vehicle flip-out rampLIFT U DIVISION HOGAN MFG INC·Filed 2000·Granted Aug 5, 2003·78 cites·45 claims
- 0396US8250693B1Fold out rampJOHNSON DAVID·Filed 2012·Granted Aug 28, 2012·27 cites·26 claims
- 0496US8132281B1Fold out rampJOHNSON DAVID·Filed 2011·Granted Mar 13, 2012·22 cites·13 claims
- 0596US7533432B2Counterbalance assembly for a fold out rampLIFT U DIVISION HOGAN MFG INC·Filed 2008·Granted May 19, 2009·51 cites·20 claims
- 0695US9050229B1Fold out rampMORRIS DONALD·Filed 2013·Granted Jun 9, 2015·24 cites·19 claims
- 0795US8166594B1Counterbalance mechanism for fold out rampMORRIS DONALD·Filed 2010·Granted May 1, 2012·25 cites·11 claims
- 0895US7681272B2Counterbalance assembly for a fold out rampLIFT U DIVISION HOGAN MFG INC·Filed 2008·Granted Mar 23, 2010·45 cites·20 claims
- 0995US7533434B2Counterbalance assembly for a fold out rampLIFT U DIVISION HOGAN MFG INC·Filed 2008·Granted May 19, 2009·45 cites·20 claims
- 1094US9271883B2Ramp assembly with tilt sensorJOHNSON DAVID·Filed 2013·Granted Mar 1, 2016·21 cites·17 claims
- 1194US7533433B2Counterbalance assembly for a fold out rampLIFT U DIVISION HOGAN MFG INC·Filed 2008·Granted May 19, 2009·40 cites·20 claims
- 1293US8832893B1Operable rampMORRIS DONALD·Filed 2014·Granted Sep 16, 2014·14 cites·5 claims
- 1393US8234737B2Latch for a fold out rampMORRIS DONALD·Filed 2011·Granted Aug 7, 2012·21 cites·12 claims
- 1492US8122553B1Fold out rampJOHNSON DAVID·Filed 2011·Granted Feb 28, 2012·31 cites·14 claims
- 1592US7913341B1Counterbalance mechanism for fold out rampLIFT U A DIVISION OF HOGAN MFG INC·Filed 2010·Granted Mar 29, 2011·17 cites·12 claims
- 1691US9289693B1Motion platform for a simulation deviceHOGAN MFG INC·Filed 2014·Granted Mar 22, 2016·15 cites·22 claims
- 1791US8032963B2Fold out rampLIFT U A DIVISION OF HOGAN MFG INC·Filed 2008·Granted Oct 11, 2011·28 cites·20 claims
- 1889US8813290B1Operable rampMORRIS DONALD·Filed 2013·Granted Aug 26, 2014·22 cites·6 claims
- 1989US8181300B1Fold out rampJOHNSON DAVID·Filed 2011·Granted May 22, 2012·20 cites·14 claims
- 2089US7913342B1Counterbalance mechanism for fold out rampLIFT U A DIVISION OF HOGAN MFG INC·Filed 2010·Granted Mar 29, 2011·15 cites·10 claims
- 2188US9430953B2Simulation device with motion stabilizationHOGAN MFG INC·Filed 2015·Granted Aug 30, 2016·9 cites·15 claims
- 2288US8918939B1Operable rampMORRIS DONALD·Filed 2014·Granted Dec 30, 2014·12 cites·11 claims
- 2388US8739342B1Operable stepJOHNSON DAVID·Filed 2013·Granted Jun 3, 2014·18 cites·7 claims
- 2488US8505141B1Compact folding slide-out ramp assemblyLIFT U DIVISION HOGAN MFG INC·Filed 2013·Granted Aug 13, 2013·23 cites·17 claims
- 2588US8438683B1Sliding fold out rampMORRIS DONALD·Filed 2011·Granted May 14, 2013·13 cites·20 claims
- 2688US8230539B2Fold out rampMORRIS DONALD·Filed 2008·Granted Jul 31, 2012·19 cites·23 claims
- 2787US8631529B1Operable stepJOHNSON DAVID·Filed 2012·Granted Jan 21, 2014·17 cites·15 claims
- 2887US8402660B1Ramp assembly installation methodJOHNSON DAVID·Filed 2012·Granted Mar 26, 2013·10 cites·11 claims
- 2986US8635729B1Ramp assembly with tilt sensorJOHNSON DAVID·Filed 2013·Granted Jan 28, 2014·18 cites·20 claims
- 3086US8122552B2Counterbalance mechanism for fold out rampMORRIS DONALD·Filed 2010·Granted Feb 28, 2012·17 cites·4 claims
- 3186US7870631B2Fold out rampLIFT U DIVISION HOGAN MFG INC·Filed 2008·Granted Jan 18, 2011·31 cites·20 claims
- 3285US8745800B1Fold out rampMORRIS DONALD·Filed 2013·Granted Jun 10, 2014·10 cites·13 claims
- 3384US8887337B1Operable rampMORRIS DONALD·Filed 2014·Granted Nov 18, 2014·14 cites·18 claims
- 3484US8533884B1Fold out rampJOHNSON DAVID·Filed 2012·Granted Sep 17, 2013·16 cites·21 claims
- 3584US7896134B2Low-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
- 3680US9045908B1Operable rampMORRIS DONALD·Filed 2014·Granted Jun 2, 2015·9 cites·5 claims
- 3780US8938837B1Ramp assembly installation methodJOHNSON DAVID·Filed 2012·Granted Jan 27, 2015·8 cites·11 claims
- 3880US8769823B1Ramp assembly installation methodJOHNSON DAVID·Filed 2012·Granted Jul 8, 2014·8 cites·12 claims
- 3980US8434181B1Ramp assembly installation methodJOHNSON DAVID·Filed 2012·Granted May 7, 2013·8 cites·13 claims
- 4079US9708815B1Operable rampMORRIS DONALD·Filed 2017·Granted Jul 18, 2017·6 cites·19 claims
- 4179US9580910B1Operable rampMORRIS DONALD·Filed 2015·Granted Feb 28, 2017·7 cites·19 claims
- 4278US8925131B1Operable rampMORRIS DONALD·Filed 2014·Granted Jan 6, 2015·8 cites·7 claims
- 4378US8327485B1Counterbalance for a fold out rampMORRIS DONALD·Filed 2011·Granted Dec 11, 2012·11 cites·20 claims
- 4477US8590159B1Ramp assembly installation methodJOHNSON DAVID·Filed 2012·Granted Nov 26, 2013·7 cites·26 claims
- 4577US8578536B1Counterbalance for a fold out rampMORRIS DONALD·Filed 2013·Granted Nov 12, 2013·6 cites·13 claims
- 4676US9820899B1Fold out rampMORRIS DONALD·Filed 2013·Granted Nov 21, 2017·7 cites·6 claims
- 4775US8943631B1Operable rampMORRIS DONALD·Filed 2014·Granted Feb 3, 2015·7 cites·7 claims
- 4875US7326024B2Wheelchair lift assembly having a compact stowed profileLIFT U DIVISION HOGAN MFG INC·Filed 2004·Granted Feb 5, 2008·34 cites·16 claims
- 4974US8739341B1Counterbalance for a fold out rampMORRIS DONALD·Filed 2013·Granted Jun 3, 2014·6 cites·11 claims
- 5070US8621696B1Counterbalance for a fold out rampMORRIS DONALD·Filed 2013·Granted Jan 7, 2014·4 cites·8 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Donald Morris files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →