Inventor · disambiguated record
Ronald W. Steffen
Also filed as: STEFFEN RONALD W
14 granted patents·439 citations·filing 1975–2018
93Inventor score
Files withDICKEY JOHN CORP12
Top patents by PatentIndex Score
14 records- 0196US4052003ALiquid spreader control systemDICKEY JOHN CORP·Filed 1976·Granted Oct 4, 1977·142 cites·26 claims
- 0288US5884205ABoom configuration monitoring and control system for mobile material distribution apparatusDICKEY JOHN CORP·Filed 1996·Granted Mar 16, 1999·85 cites·19 claims
- 0383US5897600AUniversal modular control system for mobile material distribution apparatusFiled 1996·Granted Apr 27, 1999·68 cites·23 claims
- 0482US5082097ATransmission controllerDICKEY JOHN CORP·Filed 1990·Granted Jan 21, 1992·36 cites·16 claims
- 0581US4068223AMonitor system for agricultural harvesting apparatusDICKEY JOHN CORP·Filed 1975·Granted Jan 10, 1978·34 cites·19 claims
- 0676US5249658ATransmission controllerDICKEY JOHN CORP·Filed 1992·Granted Oct 5, 1993·25 cites·8 claims
- 0765US6667689B1Silverware detectorFiled 2001·Granted Dec 23, 2003·13 cites·5 claims
- 0864US9320192B2Synchronization of a twin row planting systemDICKEY JOHN CORP·Filed 2014·Granted Apr 26, 2016·6 cites·20 claims
- 0959US5475561ASolenoid circuitDICKEY JOHN CORP·Filed 1994·Granted Dec 12, 1995·14 cites·5 claims
- 1048US9913425B2Seed sensor with lightpipe photodetect assemblyDICKEY JOHN CORP·Filed 2013·Granted Mar 13, 2018·1 cites·17 claims
- 1142US10412880B2Seed sensor with lightpipe photodetect assemblyDICKEY JOHN CORP·Filed 2018·Granted Sep 17, 2019·0 cites·11 claims
- 1240US4087783AWheel interference monitorDICKEY JOHN CORP·Filed 1976·Granted May 2, 1978·5 cites·11 claims
- 1332US5165307ATransmission controllerDICKEY JOHN CORP·Filed 1990·Granted Nov 24, 1992·4 cites·2 claims
- 1426US5770865AApparatus and method for sensing a full level condition for a large basket receptacle or the likeDICKEY JOHN CORP·Filed 1997·Granted Jun 23, 1998·6 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →