Inventor · disambiguated record

John Fischer

Also filed as: FISCHER JOHN · FISCHER JOHN H · FISCHER JOHN HAROLD

46 granted patents·4 pending applications·1,219 citations·filing 2003–2024

98Inventor score

Technology areasH02J E21B B60R H02P A61B

Files withNAT SERVICE ALLIANCE—HOUSTON LLC31 HALLIBURTON ENERGY SERVICES INC16 L & P PROPERTY MANAGEMENT CO2 EPITEL INC1

Top patents by PatentIndex Score

50 records

0198US12006807B2Power distribution trailer for an electric driven hydraulic fracking systemHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Jun 11, 2024·5 cites·17 claims
0298US12000256B2Electric driven hydraulic fracking systemHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Jun 4, 2024·4 cites·32 claims
0398US11976524B2Parameter monitoring and control for an electric driven hydraulic fracking systemHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted May 7, 2024·4 cites·20 claims
0498US11976525B2Electric driven hydraulic fracking operationHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted May 7, 2024·4 cites·20 claims
0598US11939828B2Variable frequency drive configuration for electric driven hydraulic fracking systemHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Mar 26, 2024·4 cites·20 claims
0698US11795800B2Power distribution trailer for an electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2022·Granted Oct 24, 2023·7 cites·20 claims
0798US11739602B2Electric driven hydraulic fracking operationNAT SERVICE ALLIANCE HOUSTON LLC·Filed 2023·Granted Aug 29, 2023·6 cites·20 claims
0898US11708733B2Parameter monitoring and control for an electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2022·Granted Jul 25, 2023·6 cites·20 claims
0998US11560764B2Electric driven hydraulic fracking operationNAT SERVICE ALLIANCE HOUSTON LLC·Filed 2022·Granted Jan 24, 2023·6 cites·20 claims
1098US11492860B2Variable frequency drive configuration for electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2022·Granted Nov 8, 2022·7 cites·20 claims
1198US11473381B2Parameter monitoring and control for an electric driven hydraulic fracking systemNAT SERVICE ALLIANCE HOUSTON LLC·Filed 2022·Granted Oct 18, 2022·5 cites·20 claims
1298US11466550B2Power distribution trailer for an electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2021·Granted Oct 11, 2022·6 cites·20 claims
1398US11434709B2Electric driven hydraulic fracking operationNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2022·Granted Sep 6, 2022·7 cites·20 claims
1498US11286736B2Parameter monitoring and control for an electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2021·Granted Mar 29, 2022·15 cites·20 claims
1598US11274512B2Electric driven hydraulic fracking operationNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2021·Granted Mar 15, 2022·6 cites·20 claims
1698US11220896B2Electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2021·Granted Jan 11, 2022·7 cites·17 claims
1798US11156044B2Parameter monitoring and control for an electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2021·Granted Oct 26, 2021·13 cites·20 claims
1898US11142972B1Electric driven hydraulic fracking operationNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2021·Granted Oct 12, 2021·7 cites·26 claims
1998US11125034B2Variable frequency drive configuration for electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2021·Granted Sep 21, 2021·11 cites·20 claims
2098US10988998B2Electric driven hydraulic fracking operationNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2020·Granted Apr 27, 2021·63 cites·26 claims
2198US10989031B2Power distribution trailer for an electric driven hydraulic fracking systemNAT SERVICE ALLIANCE HOUSTON LLC·Filed 2020·Granted Apr 27, 2021·9 cites·20 claims
2298US10982498B1Parameter monitoring and control for an electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2020·Granted Apr 20, 2021·14 cites·20 claims
2398US10975641B1Variable frequency drive configuration for electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2020·Granted Apr 13, 2021·10 cites·20 claims
2498US10871045B2Parameter monitoring and control for an electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2020·Granted Dec 22, 2020·117 cites·20 claims
2598US10851635B1Electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2020·Granted Dec 1, 2020·8 cites·20 claims
2698US10794165B2Power distribution trailer for an electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2020·Granted Oct 6, 2020·247 cites·20 claims
2798US10753153B1Variable frequency drive configuration for electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2020·Granted Aug 25, 2020·173 cites·17 claims
2898US10753165B1Parameter monitoring and control for an electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2020·Granted Aug 25, 2020·198 cites·20 claims
2998US10738580B1Electric driven hydraulic fracking systemNAT SERVICE ALLIANCE-HOUSTON LLC·Filed 2020·Granted Aug 11, 2020·179 cites·20 claims
3097US11788396B2Electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2022·Granted Oct 17, 2023·4 cites·14 claims
3197US11773664B1Variable frequency drive configuration for electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2023·Granted Oct 3, 2023·4 cites·20 claims
3297US11668144B2Variable frequency drive configuration for electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2022·Granted Jun 6, 2023·4 cites·20 claims
3397US11319762B2Variable frequency drive configuration for electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2021·Granted May 3, 2022·4 cites·20 claims
3497US11168556B2Power distribution trailer for an electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2021·Granted Nov 9, 2021·5 cites·19 claims
3597US11053758B2Electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2020·Granted Jul 6, 2021·5 cites·20 claims
3697US10876358B2Variable frequency drive configuration for electric driven hydraulic fracking systemNAT SERVICE ALLIANCE—HOUSTON LLC·Filed 2020·Granted Dec 29, 2020·5 cites·20 claims
3792US12460524B2Electric driven hydraulic fracking systemHALLIBURTON ENERGY SERVICES INC·Filed 2024·Granted Nov 4, 2025·0 cites·20 claims
3891US11020035B2Self-contained EEG recording systemEPITEL INC·Filed 2017·Granted Jun 1, 2021·14 cites·5 claims
3987US12385336B2Parameter monitoring and control for an electric driven hydraulic fracking systemHALLIBURTON ENERGY SERVICES INC·Filed 2024·Granted Aug 12, 2025·0 cites·18 claims
4086US12503923B2Variable frequency drive configuration for electric driven hydraulic fracking systemHALLIBURTON ENERGY SERVICES INC·Filed 2024·Granted Dec 23, 2025·0 cites·20 claims
4186US12385378B2Power distribution trailer for an electric driven hydraulic fracking systemHALLIBURTON ENERGY SERVICES INC·Filed 2024·Granted Aug 12, 2025·0 cites·20 claims
4285US2025257620A1Electric driven hydraulic fracking operationHALLIBURTON ENERGY SERVICES INC·Filed 2024·Application pending·0 cites
4384US11715951B2Grid power for hydrocarbon service applicationsHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Aug 1, 2023·1 cites·20 claims
4484US7549831B2Ladder rack apparatus and methodL & P PROPERTY MANAGEMENT CO·Filed 2006·Granted Jun 23, 2009·24 cites·21 claims
4581US2025079840A1Grid power for hydrocarbon service applicationsHALLIBURTON ENERGY SERVICES INC·Filed 2024·Application pending·0 cites
4680US2024368974A1Blender power unit for electric fracturing spreadHALLIBURTON ENERGY SERVICES INC·Filed 2024·Application pending·0 cites
4777US12170444B2Grid power for hydrocarbon service applicationsHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Dec 17, 2024·0 cites·21 claims
4874US12071841B2Blender power unit for electric fracturing spreadHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted Aug 27, 2024·0 cites·20 claims
4974US11108234B2Grid power for hydrocarbon service applicationsHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Aug 31, 2021·1 cites·20 claims
5035US2004047716A1Ladder rack apparatus and methodL & P PROPERTY MANAGEMENT CO·Filed 2003·Application pending·0 cites

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