Inventor

MORRIS DONALD

US75 patents

⚠️ This page may combine multiple inventors who share the name “MORRIS DONALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MORRIS DONALD

18 patents

US9050229B1Jun 9, 2015

Fold out ramp

MORRIS DONALD24 citations93

US8813290B1Aug 26, 2014

Operable ramp

MORRIS DONALD22 citations93

US8234737B2Aug 7, 2012

Latch for a fold out ramp

MORRIS DONALD21 citations93

US8166594B1May 1, 2012

Counterbalance mechanism for fold out ramp

MORRIS DONALD25 citations93

US9352658B2May 31, 2016

Charging of electric vehicles

MORRIS DONALD26 citations92

US8122552B2Feb 28, 2012

Counterbalance mechanism for fold out ramp

MORRIS DONALD17 citations92

US9820899B1Nov 21, 2017

Fold out ramp

MORRIS DONALD7 citations84

US9045908B1Jun 2, 2015

Operable ramp

MORRIS DONALD9 citations84

US8943631B1Feb 3, 2015

Operable ramp

MORRIS DONALD7 citations84

US8925131B1Jan 6, 2015

Operable ramp

MORRIS DONALD8 citations84

US8918939B1Dec 30, 2014

Operable ramp

MORRIS DONALD12 citations84

US8887337B1Nov 18, 2014

Operable ramp

MORRIS DONALD14 citations84

US8832893B1Sep 16, 2014

Operable ramp

MORRIS DONALD14 citations84

US8745800B1Jun 10, 2014

Fold out ramp

MORRIS DONALD10 citations84

US8578536B1Nov 12, 2013

Counterbalance for a fold out ramp

MORRIS DONALD6 citations84

US8438683B1May 14, 2013

Sliding fold out ramp

MORRIS DONALD13 citations84

US8327485B1Dec 11, 2012

Counterbalance for a fold out ramp

MORRIS DONALD11 citations84

US8230539B2Jul 31, 2012

Fold out ramp

MORRIS DONALD19 citations84

JOHNSON DAVID

14 patents

US9271883B2Mar 1, 2016

Ramp assembly with tilt sensor

JOHNSON DAVID21 citations93

US8739342B1Jun 3, 2014

Operable step

JOHNSON DAVID18 citations93

US8631529B1Jan 21, 2014

Operable step

JOHNSON DAVID17 citations93

US8250693B1Aug 28, 2012

Fold out ramp

JOHNSON DAVID27 citations93

US8181300B1May 22, 2012

Fold out ramp

JOHNSON DAVID20 citations93

US8132281B1Mar 13, 2012

Fold out ramp

JOHNSON DAVID22 citations93

US8122553B1Feb 28, 2012

Fold out ramp

JOHNSON DAVID31 citations93

US8938837B1Jan 27, 2015

Ramp assembly installation method

JOHNSON DAVID8 citations84

US8769823B1Jul 8, 2014

Ramp assembly installation method

JOHNSON DAVID8 citations84

US8635729B1Jan 28, 2014

Ramp assembly with tilt sensor

JOHNSON DAVID18 citations84

US8590159B1Nov 26, 2013

Ramp assembly installation method

JOHNSON DAVID7 citations84

US8533884B1Sep 17, 2013

Fold out ramp

JOHNSON DAVID16 citations84

US8434181B1May 7, 2013

Ramp assembly installation method

JOHNSON DAVID8 citations84

US8402660B1Mar 26, 2013

Ramp assembly installation method

JOHNSON DAVID10 citations84

LIFT U DIVISION HOGAN MFG INC

9 patents

US7533432B2May 19, 2009

Counterbalance assembly for a fold out ramp

LIFT U DIVISION HOGAN MFG INC51 citations98

US7681272B2Mar 23, 2010

Counterbalance assembly for a fold out ramp

LIFT U DIVISION HOGAN MFG INC45 citations96

US7533433B2May 19, 2009

Counterbalance assembly for a fold out ramp

LIFT U DIVISION HOGAN MFG INC40 citations96

US7533434B2May 19, 2009

Counterbalance assembly for a fold out ramp

LIFT U DIVISION HOGAN MFG INC45 citations96

US6602041B2Aug 5, 2003

Vehicle flip-out ramp

LIFT U DIVISION HOGAN MFG INC78 citations94

US8375496B1Feb 19, 2013

Fold out ramp

LIFT U DIVISION HOGAN MFG INC30 citations93

US7870631B2Jan 18, 2011

Fold out ramp

LIFT U DIVISION HOGAN MFG INC31 citations93

US7326024B2Feb 5, 2008

Wheelchair lift assembly having a compact stowed profile

LIFT U DIVISION HOGAN MFG INC34 citations92

US8505141B1Aug 13, 2013

Compact folding slide-out ramp assembly

LIFT U DIVISION HOGAN MFG INC23 citations90

LIFT U A DIVISION OF HOGAN MFG INC

3 patents

US8032963B2Oct 11, 2011

Fold out ramp

LIFT U A DIVISION OF HOGAN MFG INC28 citations96

US7913341B1Mar 29, 2011

Counterbalance mechanism for fold out ramp

LIFT U A DIVISION OF HOGAN MFG INC17 citations92

US7913342B1Mar 29, 2011

Counterbalance mechanism for fold out ramp

LIFT U A DIVISION OF HOGAN MFG INC15 citations84

ONCOLYTICS BIOTECH INC

2 patents

US7431932B2Oct 7, 2008

Reovirus clearance of ras-mediated neoplastic cells from mixed cellular compositions

ONCOLYTICS BIOTECH INC15 citations93

US6994858B2Feb 7, 2006

Reovirus clearance of ras-mediated neoplastic cells from mixed cellular compositions

ONCOLYTICS BIOTECH INC25 citations93

HOGAN MFG INC

2 patents

US9430953B2Aug 30, 2016

Simulation device with motion stabilization

HOGAN MFG INC9 citations84

US9289693B1Mar 22, 2016

Motion platform for a simulation device

HOGAN MFG INC15 citations84

HILL DALE

1 patent

US8453773B2Jun 4, 2013

Vehicle battery systems and methods

HILL DALE67 citations95

TELEDYNE IND

1 patent

US5160482ANov 3, 1992

Zirconium-hafnium separation and purification process

TELEDYNE IND28 citations88

Showing the top 50 of 75 patents by PatentIndex Score.