Inventor · disambiguated record
Glenn C. Parks, Jr.
Also filed as: PARKS GLENN C · PARKS JR GLENN C
9 granted patents·3 pending applications·177 citations·filing 1979–2021
88Inventor score
Files withCACTUS WELLHEAD LLC6HYDRIL CO2FOSTER OILFIELD EQUIPMENT CO1FOSTER VALVE CORP1PARKS GLENN C1
Top patents by PatentIndex Score
12 records- 0193US10077844B2Gate valve and seat insert for a gate valveCACTUS WELLHEAD LLC·Filed 2017·Granted Sep 18, 2018·8 cites·4 claims
- 0289US8327866B2Gate valve seatPARKS JR GLENN C·Filed 2010·Granted Dec 11, 2012·22 cites·13 claims
- 0382US5090661AGate valveFOSTER OILFIELD EQUIPMENT CO·Filed 1990·Granted Feb 25, 1992·57 cites·7 claims
- 0482US4444404AVariable bore ram packing element and blowout preventerHYDRIL CO·Filed 1982·Granted Apr 24, 1984·64 cites·14 claims
- 0566US11543035B2Gate valve gate member for a gate valveCACTUS WELLHEAD LLC·Filed 2021·Granted Jan 3, 2023·0 cites·15 claims
- 0666US8690124B2Gate valvePARKS GLENN C·Filed 2010·Granted Apr 8, 2014·4 cites·18 claims
- 0758US11125340B2Gate valve gate member for a gate valveCACTUS WELLHEAD LLC·Filed 2019·Granted Sep 21, 2021·0 cites·2 claims
- 0856US2019017610A1Gate valve and seat insert for a gate valveCACTUS WELLHEAD LLC·Filed 2018·Application pending·0 cites
- 0956US2020208747A1System for fluid transferCACTUS WELLHEAD LLC·Filed 2019·Application pending·0 cites
- 1043US5135032ASlurry gate valveFOSTER VALVE CORP·Filed 1991·Granted Aug 4, 1992·12 cites·20 claims
- 1139US4293115ATesting mechanism for blowout preventer ram lockHYDRIL CO·Filed 1979·Granted Oct 6, 1981·10 cites·8 claims
- 1238US2018010697A1Gate valve and seats for a gate valveCACTUS WELLHEAD LLC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →