Inventor · disambiguated record
Richard J. Winkler
Also filed as: WINKLER RICHARD J · WINKLER RICHARD JAY
8 granted patents·1 pending application·90 citations·filing 1989–2018
86Inventor score
Top patents by PatentIndex Score
9 records- 0190US9989159B2Vent assembly and method for a digital valve positionerFISHER CONTROLS INT LLC·Filed 2015·Granted Jun 5, 2018·13 cites·17 claims
- 0277US7190159B2Integral hall effect limit switch for control valve stem position sensorFISHER CONTROLS INT·Filed 2004·Granted Mar 13, 2007·20 cites·25 claims
- 0372US10228066B2Vent assembly and method for a digital valve positionerFISHER CONTROLS INT LLC·Filed 2018·Granted Mar 12, 2019·2 cites·8 claims
- 0472US6644332B1Method and apparatus for multiple-input-multiple-output control of a valve/actuator plantFISHER CONTROLS INT·Filed 2001·Granted Nov 11, 2003·19 cites·13 claims
- 0564US4974625AFour mode pneumatic relayFISHER CONTROLS INT·Filed 1989·Granted Dec 4, 1990·25 cites·6 claims
- 0647US9625043B2Apparatus to bias spool valves using supply pressureFISHER CONTROLS INT LLC·Filed 2013·Granted Apr 18, 2017·0 cites·20 claims
- 0743US2017138489A1Hard coated supply biased spool valvesFISHER CONTROLS INT LLC·Filed 2017·Application pending·0 cites
- 0841US5083461ALow friction trunnion bearing and high pressure sealFISHER CONTROLS INT·Filed 1990·Granted Jan 28, 1992·11 cites·14 claims
- 0939US10508747B2Apparatus to bias spool valves using supply pressureFISHER CONTROLS INT LLC·Filed 2017·Granted Dec 17, 2019·0 cites·19 claims
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