Inventor · disambiguated record
Michael S. Lofgren
Also filed as: LOFGREN MICHAEL · LOFGREN MICHAEL S · LOFGREN MICHAEL SHANE
21 granted patents·2 pending applications·442 citations·filing 1984–2024
95Inventor score
Top patents by PatentIndex Score
23 records- 0194US4572535ATri-supported vehicleSTEWART BRIAN C·Filed 1984·Granted Feb 25, 1986·108 cites·16 claims
- 0292US7927258B2Bicycling exercise apparatusREAL RYDER LLC·Filed 2007·Granted Apr 19, 2011·56 cites·28 claims
- 0388US8371992B2Bicycling exercise apparatusREALRYDER LLC·Filed 2011·Granted Feb 12, 2013·15 cites·29 claims
- 0483US8007412B2Bicycling exercise apparatusLOFGREN MICHAEL SHANE·Filed 2009·Granted Aug 30, 2011·19 cites·12 claims
- 0583US4789173ASteering method and mechanism for three-wheel vehicleLOFGREN MICHAEL S·Filed 1987·Granted Dec 6, 1988·64 cites·7 claims
- 0682US5354084AHand propulsion and steering dampening for three-wheel vehicleLOFGREN MICHAEL·Filed 1992·Granted Oct 11, 1994·53 cites·5 claims
- 0781US7530932B2Upper-body exercise cycleA A R M 1 LLC·Filed 2004·Granted May 12, 2009·45 cites·13 claims
- 0877US9669257B2Bicycling exercise apparatusREALRYDER LLC·Filed 2016·Granted Jun 6, 2017·3 cites·21 claims
- 0976US5853184AHandcyclesFiled 1996·Granted Dec 29, 1998·45 cites·13 claims
- 1073US8894550B2Bicycling exercise apparatusREALRYDER LLC·Filed 2013·Granted Nov 25, 2014·4 cites·29 claims
- 1173US2024216753A1Bicycling exercise apparatusREALRYDER LLC·Filed 2024·Application pending·0 cites
- 1270US8047968B2Simulated climbing and full body exercise and methodSTEWART BRIAN CHARLES·Filed 2009·Granted Nov 1, 2011·9 cites·4 claims
- 1370US7722071B1HandcyclesLOFGREN MICHAEL SHANE·Filed 2006·Granted May 25, 2010·8 cites·5 claims
- 1468US11235199B2Bicycling exercise apparatusREALRYDER LLC·Filed 2019·Granted Feb 1, 2022·1 cites·20 claims
- 1567US11931623B2Bicycling exercise apparatusREALRYDER LLC·Filed 2022·Granted Mar 19, 2024·0 cites·20 claims
- 1666US10398934B2Bicycling exercise apparatusREALRYDER LLC·Filed 2016·Granted Sep 3, 2019·1 cites·20 claims
- 1762US10278856B1Back traction deviceSTEWART BRIAN CHARLES·Filed 2013·Granted May 7, 2019·2 cites·31 claims
- 1862US9440109B2Bicycling exercise apparatusREALRYDER LLC·Filed 2014·Granted Sep 13, 2016·1 cites·20 claims
- 1954US11395755B2Method for applying spinal tractionLOFGREN MICHAEL SHANE·Filed 2019·Granted Jul 26, 2022·0 cites·17 claims
- 2048USD680913SElectric powered handcycleLOFGREN MICHAEL SHANE·Filed 2012·Granted Apr 30, 2013·6 cites·1 claims
- 2141US2015210346A1Arm Actuated Brake Lever for QuadriplegicLOFGREN MICHAEL SHANE·Filed 2014·Application pending·0 cites
- 2235US12146808B2Optical acoustic sensing system and methodCMTE DEV LTD·Filed 2018·Granted Nov 19, 2024·0 cites·22 claims
- 2334USD725554SBattery and dashboard for an electric powered handcycleLOFGREN MICHAEL SHANE·Filed 2012·Granted Mar 31, 2015·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Michael S. Lofgren 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 →