Inventor · disambiguated record
Darrell Mitchum
Also filed as: MITCHUM DARRELL · MITCHUM DARRELL W · MITCHUM DARRELL WAYNE
11 granted patents·6 pending applications·49 citations·filing 2014–2025
88Inventor score
Top patents by PatentIndex Score
17 records- 0197US12065903B1Choke mechanism for a plunger catcherFLOWCO PRODUCTION SOLUTIONS LLC·Filed 2023·Granted Aug 20, 2024·7 cites·16 claims
- 0296US12098609B1Wellhead flow block and flow control mechanismsFLOWCO PRODUCTION SOLUTIONS LLC·Filed 2023·Granted Sep 24, 2024·4 cites·24 claims
- 0395US12071836B2Catcher assembly for a plungerFLOWCO PRODUCTION SOLUTIONS LLC·Filed 2023·Granted Aug 27, 2024·3 cites·20 claims
- 0492US10221849B2Forged flange lubricatorPATRIOT ARTIFICIAL LIFT LLC·Filed 2016·Granted Mar 5, 2019·12 cites·16 claims
- 0591US10907452B2Well plunger systemsPATRIOT ARTIFICIAL LIFT LLC·Filed 2018·Granted Feb 2, 2021·8 cites·10 claims
- 0691US10718327B2Forged flange lubricatorPATRIOT ARTIFICIAL LIFT LLC·Filed 2019·Granted Jul 21, 2020·6 cites·16 claims
- 0791US10161230B2Well plunger systemsPATRIOT ARTIFICIAL LIFT LLC·Filed 2016·Granted Dec 25, 2018·9 cites·20 claims
- 0884US2025314149A1Choke mechanism for a lubricatorFLOWCO MASTERCO LLC·Filed 2025·Application pending·0 cites
- 0981US12473793B2Wellhead flow block and flow control mechanismsFLOWCO PRODUCTION SOLUTIONS LLC·Filed 2024·Granted Nov 18, 2025·0 cites·21 claims
- 1080US12460500B2Wellhead flow block and flow control mechanismsFLOWCO PRODUCTION SOLUTIONS LLC·Filed 2024·Granted Nov 4, 2025·0 cites·20 claims
- 1180US12359531B2Choke mechanism for a lubricatorFLOWCO PRODUCTION SOLUTIONS LLC·Filed 2024·Granted Jul 15, 2025·0 cites·20 claims
- 1275US12497871B2Catcher assembly for a plungerFLOWCO PRODUCTION SOLUTIONS LLC·Filed 2024·Granted Dec 16, 2025·0 cites·16 claims
- 1362US2025314159A1Catcher assembly for a plungerFLOWCO MASTERCO LLC·Filed 2025·Application pending·0 cites
- 1462US2025334020A1Wellhead flow block and flow control mechanismsFLOWCO MASTERCO LLC·Filed 2025·Application pending·0 cites
- 1543US2016168963A1Bypass dart and assemblyPATRIOT ARTIFICIAL LIFT LLC·Filed 2014·Application pending·0 cites
- 1642US2016017700A1Bumper assembly having progressive rate springPATRIOT ARTIFICIAL LIFT LLC·Filed 2014·Application pending·0 cites
- 1735US2016215600A1Bypass dart and assemblyPATRIOT ARTIFICIAL LIFT LLC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →