Inventor · disambiguated record
Dennis M. Beekman
Also filed as: BEEKMAN DENNIS M · BEEKMAN DENNIS MYRON
15 granted patents·1 pending application·163 citations·filing 1994–2017
92Inventor score
Top patents by PatentIndex Score
16 records- 0195US10295239B2Controls and operation of variable frequency drivesTRANE INT INC·Filed 2015·Granted May 21, 2019·7 cites·18 claims
- 0291US8875530B2Screw compressor drive controlTRANE INT INC·Filed 2013·Granted Nov 4, 2014·10 cites·20 claims
- 0391US5979168ASingle-source gas actuation for screw compressor slide valve assemblyAMERICAN STANDARD INC·Filed 1997·Granted Nov 9, 1999·63 cites·32 claims
- 0487US8365544B2Screw compressor drive controlTRANE INT INC·Filed 2009·Granted Feb 5, 2013·12 cites·20 claims
- 0584US10101070B2Axial thrust control for rotary compressorsTRANE INT INC·Filed 2017·Granted Oct 16, 2018·2 cites·11 claims
- 0684US9733002B2Screw compressor drive controlTRANE INT INC·Filed 2014·Granted Aug 15, 2017·3 cites·16 claims
- 0782US10352608B2Screw compressor drive controlTRANE INT INC·Filed 2017·Granted Jul 16, 2019·1 cites·20 claims
- 0881US9605886B2Axial thrust control for rotary compressorsTRANE INT INC·Filed 2014·Granted Mar 28, 2017·4 cites·13 claims
- 0980US10746448B2Controls and operation of variable frequency drivesTRANE INT INC·Filed 2017·Granted Aug 18, 2020·1 cites·15 claims
- 1080US5502984ANon-concentric oil separatorAMERICAN STANDARD INC·Filed 1994·Granted Apr 2, 1996·48 cites·21 claims
- 1171US8234877B2Compressor discharge valve providing freeze and charge migration protectionBEEKMAN DENNIS M·Filed 2009·Granted Aug 7, 2012·6 cites·18 claims
- 1263US11022117B2Variable capacity screw compressor and methodTRANE INT INC·Filed 2014·Granted Jun 1, 2021·0 cites·8 claims
- 1352US9595905B2Refrigerant compressor drives offering enhanced robustness, efficiency and rated voltage operabilityTRANE INT INC·Filed 2015·Granted Mar 14, 2017·0 cites·21 claims
- 1450US2015030490A1Bearing Housing and Assembly of a Screw CompressorTRANE INT INC·Filed 2014·Application pending·0 cites
- 1544US10240603B2Compressor having external shell with vibration isolation and pressure balanceTRANE INT INC·Filed 2015·Granted Mar 26, 2019·0 cites·10 claims
- 1635US6205808B1Prevention of oil backflow from a screw compressor in a refrigeration chillerAMERICAN STANDARD INC·Filed 1999·Granted Mar 27, 2001·6 cites·30 claims
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