Inventor · disambiguated record
Edward C. Kotapish
Also filed as: KOTAPISH EDWARD C · KOTAPISH EDWARD CHARLES
13 granted patents·3 pending applications·141 citations·filing 2009–2022
92Inventor score
Top patents by PatentIndex Score
16 records- 0197US10352321B2Reciprocating pump with dual circuit power end lubrication systemSPM FLOW CONTROL INC·Filed 2015·Granted Jul 16, 2019·59 cites·26 claims
- 0296US8998168B2Plug valve indicatorSPM FLOW CONTROL INC·Filed 2013·Granted Apr 7, 2015·19 cites·12 claims
- 0395US11204030B2Support for reciprocating pumpSPM FLOW CONTROL INC·Filed 2019·Granted Dec 21, 2021·5 cites·20 claims
- 0495US8465001B2Plug valve indicatorWITKOWSKI BRIAN C·Filed 2010·Granted Jun 18, 2013·22 cites·12 claims
- 0594US10520037B2Support for reciprocating pumpSPM FLOW CONTROL INC·Filed 2018·Granted Dec 31, 2019·7 cites·20 claims
- 0694US9879659B2Support for reciprocating pumpSPM FLOW CONTROL INC·Filed 2015·Granted Jan 30, 2018·13 cites·21 claims
- 0793US11480170B2Support for reciprocating pumpSPM OIL & GAS INC·Filed 2021·Granted Oct 25, 2022·3 cites·27 claims
- 0892US10677244B2System and method for reinforcing reciprocating pumpSPM FLOW CONTROL INC·Filed 2015·Granted Jun 9, 2020·6 cites·24 claims
- 0990US10087992B2Bearing system for reciprocating pump and method of assemblySPM FLOW CONTROL INC·Filed 2015·Granted Oct 2, 2018·5 cites·23 claims
- 1073US11614079B2Suction bore cover and seal arrangementSPM OIL & GAS INC·Filed 2019·Granted Mar 28, 2023·2 cites·7 claims
- 1171US11421682B2Reciprocating pump with dual circuit power end lubrication systemSPM OIL & GAS INC·Filed 2019·Granted Aug 23, 2022·0 cites·21 claims
- 1270US2023039253A1Support for recipricating pumpSPM OIL & GAS INC·Filed 2022·Application pending·0 cites
- 1368US11746775B2Bearing system for reciprocating pump and method of assemblySPM OIL & GAS INC·Filed 2018·Granted Sep 5, 2023·0 cites·9 claims
- 1454US12421947B2Actuator for a reciprocating pumpSPM OIL & GAS INC·Filed 2019·Granted Sep 23, 2025·0 cites·14 claims
- 1549US2010154894A1Hydraulic Unloading ValveWEIR SPM INC·Filed 2009·Application pending·0 cites
- 1640US2022325706A1Electrically-actuated linear pump system and methodSPM OIL & GAS INC·Filed 2020·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →