Inventor · disambiguated record
Douglas J. Scheffler
Also filed as: SCHEFFLER DOUGLAS J · SCHEFFLER DOUGLAS JAMES
15 granted patents·74 citations·filing 2006–2018
91Inventor score
Files withEMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC9FISHER CONTROLS INT1GRIFFIN JR JAMES LYMAN1NASHERY KHASHAYAR A1ROPER DANIEL G1
Top patents by PatentIndex Score
15 records- 0192US9952605B2Pilot operated fluid regulators having a reset apparatus and related methodsEMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC·Filed 2015·Granted Apr 24, 2018·6 cites·22 claims
- 0290US9760097B2Adjustable deadband control systemEMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC·Filed 2015·Granted Sep 12, 2017·11 cites·4 claims
- 0389US8708309B2Self-aligning spring seat for fluid regulator and fluid regulator comprising self-aligning spring seatROPER DANIEL G·Filed 2010·Granted Apr 29, 2014·14 cites·4 claims
- 0485US7896028B2Flow restricted seat ring for pressure regulatorsFISHER CONTROLS INT·Filed 2006·Granted Mar 1, 2011·14 cites·18 claims
- 0583US10041602B2Top entry axial flow regulatorEMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC·Filed 2016·Granted Aug 7, 2018·3 cites·21 claims
- 0678US9145904B2Pilot operated fluid regulators having a reset apparatus and related methodsGRIFFIN JR JAMES LYMAN·Filed 2011·Granted Sep 29, 2015·4 cites·17 claims
- 0776US9176505B2Backpressure regulator with easy pump start-upEMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC·Filed 2013·Granted Nov 3, 2015·8 cites·33 claims
- 0867US9360131B2Actuator adapter plateNASHERY KHASHAYAR A·Filed 2011·Granted Jun 7, 2016·4 cites·15 claims
- 0965US8590858B2Anti-gradient cupped seat for pressure regulatorROPER DANIEL GUNDER·Filed 2010·Granted Nov 26, 2013·5 cites·18 claims
- 1062US9989977B2Mechanism and method to adjust size of balanced valveEMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC·Filed 2016·Granted Jun 5, 2018·1 cites·20 claims
- 1161US9091366B2Flow restricted seat ring for pressure regulatorsWEYER JR THOMAS L·Filed 2011·Granted Jul 28, 2015·2 cites·22 claims
- 1259US10920896B2Top entry axial flow regulatorEMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC·Filed 2018·Granted Feb 16, 2021·0 cites·18 claims
- 1358US9213339B2Fluid regulator having improved flow stabilityEMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC·Filed 2013·Granted Dec 15, 2015·2 cites·20 claims
- 1456US10678274B2Adjustable deadband control systemEMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC·Filed 2017·Granted Jun 9, 2020·0 cites·16 claims
- 1549US10119636B2Trapezoidal thread form having a wear indicator and high pressure connection fitting comprising sameEMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC·Filed 2013·Granted Nov 6, 2018·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →