Inventor · disambiguated record
Harold Robert Schnetzka
Also filed as: SCHNETZKA HAROLD · SCHNETZKA HAROLD R · SCHNETZKA HAROLD ROBERT · SCHNETZKA II HAROLD R
66 granted patents·4 pending applications·1,637 citations·filing 1982–2019
99Inventor score
Top patents by PatentIndex Score
70 records- 0198US8014110B2Variable speed drive with integral bypass contactorJOHNSON CONTROLS TECH CO·Filed 2007·Granted Sep 6, 2011·37 cites·23 claims
- 0298US7746020B2Common mode & differential mode filter for variable speed driveJOHNSON CONTROLS TECH CO·Filed 2007·Granted Jun 29, 2010·54 cites·9 claims
- 0396US7005829B2System for precharging a DC link in a variable speed driveYORK INT CORP·Filed 2005·Granted Feb 28, 2006·61 cites·1 claims
- 0495US7876561B2Cooling systems for variable speed drives and inductorsJOHNSON CONTROLS TECH CO·Filed 2007·Granted Jan 25, 2011·51 cites·10 claims
- 0595US7439702B2Application of a switched reluctance motion control system in a chiller systemYORK INT CORP·Filed 2005·Granted Oct 21, 2008·34 cites·20 claims
- 0695US5218283AAC motor drive system with a two phase power supplyYORK INT CORP·Filed 1992·Granted Jun 8, 1993·100 cites·26 claims
- 0794US10104814B2System and method for cooling electrical components of a power converterGEN ELECTRIC·Filed 2014·Granted Oct 16, 2018·20 cites·8 claims
- 0894US7096681B2System and method for variable speed operation of a screw compressorYORK INT CORP·Filed 2004·Granted Aug 29, 2006·61 cites·35 claims
- 0994US7081734B1Ride-through method and system for HVACandR chillersYORK INT CORP·Filed 2005·Granted Jul 25, 2006·48 cites·33 claims
- 1093US10570882B2Dynamic active and reactive power capability for wind farmsGEN ELECTRIC·Filed 2017·Granted Feb 25, 2020·12 cites·20 claims
- 1193US9444448B2High performance IGBT gate driveGEN ELECTRIC·Filed 2013·Granted Sep 13, 2016·13 cites·18 claims
- 1293US7957166B2Variable speed driveJOHNSON CONTROLS TECH CO·Filed 2007·Granted Jun 7, 2011·66 cites·9 claims
- 1392US10107260B2Wind turbine auxiliary circuit controlGEN ELECTRIC·Filed 2015·Granted Oct 23, 2018·6 cites·20 claims
- 1492US7332885B2Ride-through method and system for HVAC&R chillersJOHNSON CONTROLS TECH CO·Filed 2006·Granted Feb 19, 2008·38 cites·20 claims
- 1592US6434003B1Liquid-cooled power semiconductor device heatsinkYORK INT CORP·Filed 2001·Granted Aug 13, 2002·117 cites·28 claims
- 1691US7003971B2Electronic component cooling system for an air-cooled chillerYORK INT CORP·Filed 2004·Granted Feb 28, 2006·62 cites·18 claims
- 1791US6686718B2Control loop and method for variable speed drive ride-through capability improvementYORK INT CORP·Filed 2001·Granted Feb 3, 2004·72 cites·25 claims
- 1890US7619906B2System for precharging a DC link in a variable speed driveYORK INT CORP·Filed 2005·Granted Nov 17, 2009·21 cites·22 claims
- 1989US7202626B2Variable speed drive for a chiller system with a switched reluctance motorYORK INT CORP·Filed 2005·Granted Apr 10, 2007·25 cites·18 claims
- 2089US5746062AMethods and apparatuses for detecting surge in centrifugal compressorsYORK INT CORP·Filed 1996·Granted May 5, 1998·71 cites·18 claims
- 2186US7555912B2System for precharging a DC link in a variable speed driveYORK INT CORP·Filed 2005·Granted Jul 7, 2009·23 cites·20 claims
- 2285US7640767B2Low voltage variable speed drive for application on medium/high voltage mainsJOHNSON CONTROLS TECH CO·Filed 2006·Granted Jan 5, 2010·10 cites·14 claims
- 2385US7208891B2Variable speed drive for a chiller systemYORK INT CORP·Filed 2005·Granted Apr 24, 2007·22 cites·16 claims
- 2485US5894736AMethods and apparatuses for detecting surge in centrifugal compressorsYORK INT CORP·Filed 1997·Granted Apr 20, 1999·52 cites·5 claims
- 2584US7425806B2System and method for controlling a variable speed driveYORK INT CORP·Filed 2004·Granted Sep 16, 2008·49 cites·37 claims
- 2683US11736056B2System and method for controlling harmonics in a renewable energy power systemGEN ELECTRIC·Filed 2019·Granted Aug 22, 2023·2 cites·11 claims
- 2782US10340829B2Electrical power circuit and method of operating sameGEN ELECTRIC·Filed 2016·Granted Jul 2, 2019·2 cites·17 claims
- 2882US9793788B2Energy storage system for renewable energy sourceGEN ELECTRIC·Filed 2013·Granted Oct 17, 2017·6 cites·4 claims
- 2982US7164242B2Variable speed drive for multiple loadsYORK INT CORP·Filed 2004·Granted Jan 16, 2007·43 cites·32 claims
- 3081US10731630B2Extended reaction power for wind farmsGEN ELECTRIC·Filed 2018·Granted Aug 4, 2020·3 cites·16 claims
- 3181US5136216AAc motor drive systemYORK INT CORP·Filed 1991·Granted Aug 4, 1992·47 cites·34 claims
- 3280US7764041B2System and method to extend synchronous operation of an active converter in a variable speed driveJOHNSON CONTROLS TECH CO·Filed 2007·Granted Jul 27, 2010·7 cites·15 claims
- 3379US5146147AAc motor drive systemYORK INT CORP·Filed 1991·Granted Sep 8, 1992·43 cites·25 claims
- 3479US4895005AMotor terminal box mounted solid state starterYORK INT CORP·Filed 1988·Granted Jan 23, 1990·38 cites·28 claims
- 3579US4554463ATrigger circuit for solid state switchBORG WARNER·Filed 1983·Granted Nov 19, 1985·22 cites·2 claims
- 3678US5898554ASwitch driver circuitYORK INT CORP·Filed 1997·Granted Apr 27, 1999·36 cites·15 claims
- 3777US9513614B2Auxiliary electric power system and method of regulating voltages of the sameGEN ELECTRIC·Filed 2013·Granted Dec 6, 2016·6 cites·18 claims
- 3875US7854596B2System and method of operation of multiple screw compressors with continuously variable speed to provide noise cancellationJOHNSON CONTROLS TECH CO·Filed 2007·Granted Dec 21, 2010·5 cites·27 claims
- 3975US4499534AControl system for controlling an SCR network to regulate three-phase A-C power flowBORG WARNER·Filed 1982·Granted Feb 12, 1985·24 cites·8 claims
- 4074US10103665B2Protection for redundancy of isolated inverter blocksGEN ELECTRIC·Filed 2017·Granted Oct 16, 2018·1 cites·20 claims
- 4174US9859808B2Power converter topology for use in an energy storage systemGEN ELECTRIC·Filed 2016·Granted Jan 2, 2018·3 cites·20 claims
- 4273US10110149B2Grounding scheme for power converters with silicon carbide MOSFETsGEN ELECTRIC·Filed 2017·Granted Oct 23, 2018·1 cites·16 claims
- 4372US10148206B2Controlling operation of a power converter based on grid conditionsGEN ELECTRIC·Filed 2016·Granted Dec 4, 2018·2 cites·18 claims
- 4470US10530237B2Energy storage system for renewable energy sourceGEN ELECTRIC·Filed 2017·Granted Jan 7, 2020·1 cites·15 claims
- 4570US7413413B2System and method to reduce acoustic noise in screw compressorsYORK INT CORP·Filed 2004·Granted Aug 19, 2008·11 cites·24 claims
- 4668US4965658ASystem for mounting and cooling power semiconductor devicesYORK INT CORP·Filed 1988·Granted Oct 23, 1990·33 cites·30 claims
- 4767US10778112B2DFIG converter with active filterGEN ELECTRIC·Filed 2018·Granted Sep 15, 2020·1 cites·19 claims
- 4867US10027240B1Ground fault isolation for power converters with silicon carbide MOSFETsGEN ELECTRIC·Filed 2017·Granted Jul 17, 2018·1 cites·20 claims
- 4967US7387498B2System and method for noise attenuation of screw compressorsYORK INT CORP·Filed 2003·Granted Jun 17, 2008·10 cites·8 claims
- 5066US8004803B2Variable speed driveJOHNSON CONTROLS TECH CO·Filed 2008·Granted Aug 23, 2011·7 cites·16 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →