Inventor · disambiguated record
John R. Harman
Also filed as: HARMAN JOHN · HARMAN JOHN R
10 granted patents·163 citations·filing 1990–2022
88Inventor score
Top patents by PatentIndex Score
10 records- 0188US9488697B2Fractional depletion estimation for battery condition metricsCROWN EQUIP CORP·Filed 2014·Granted Nov 8, 2016·6 cites·15 claims
- 0288US5657834AMast staging cushion apparatusCROWN EQUIP CORP·Filed 1995·Granted Aug 19, 1997·71 cites·4 claims
- 0383US6021251ACompensated field current control for a separately excited DC motorCROWN EQUIP CORP·Filed 1998·Granted Feb 1, 2000·59 cites·16 claims
- 0474US11007895B2Fractional depletion estimation for battery condition metricsCROWN EQUIP CORP·Filed 2020·Granted May 18, 2021·0 cites·20 claims
- 0574US10556514B2Fractional depletion estimation for battery condition metricsCROWN EQUIP CORP·Filed 2016·Granted Feb 11, 2020·1 cites·25 claims
- 0659US5509509AProportional control of a permanent magnet brakeCROWN EQUIP CORP·Filed 1994·Granted Apr 23, 1996·12 cites·19 claims
- 0758US12331595B2Shaped cutter for drill bit with point-loaded reinforcing ribsHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted Jun 17, 2025·0 cites·16 claims
- 0849US12221836B2Polycrystalline diamond compact cutter with plow featureHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Feb 11, 2025·0 cites·18 claims
- 0935US6031965ASeparately excited DC motor with boost and de-boost controlSOLARIA RESEARCH ENTERPRISE LT·Filed 1998·Granted Feb 29, 2000·10 cites·29 claims
- 1025US5083803AMaterials handling vehicle using either cusion or pneumatic tiresCROWN EQUIP CORP·Filed 1990·Granted Jan 28, 1992·4 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when John R. Harman 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 →