Assignee
WORLDWIDE OILFIELD MACHINE INC
US·39 granted patents·4 pending applications·710 citations·filing 1989–2024
Top patents by PatentIndex Score
43 records- 0198US6966537B2Valve with seat assemblyWORLDWIDE OILFIELD MACHINE INC·Filed 2003·Granted Nov 22, 2005·105 cites·23 claims
- 0297US6684897B2Valve actuator and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2002·Granted Feb 3, 2004·75 cites·35 claims
- 0395US4878651AValve seat assemblyWORLDWIDE OILFIELD MACHINE INC·Filed 1989·Granted Nov 7, 1989·89 cites·3 claims
- 0494US6601650B2Method and apparatus for replacing BOP with gate valveWORLDWIDE OILFIELD MACHINE INC·Filed 2001·Granted Aug 5, 2003·145 cites·19 claims
- 0591US11624444B2Gate valveWORLDWIDE OILFIELD MACHINE INC·Filed 2022·Granted Apr 11, 2023·6 cites·13 claims
- 0691US11435001B2Gate valveWORLDWIDE OILFIELD MACHINE INC·Filed 2020·Granted Sep 6, 2022·14 cites·24 claims
- 0789US10060548B1Torque reducer for high-pressure gate valvesWORLDWIDE OILFIELD MACHINE INC·Filed 2017·Granted Aug 28, 2018·33 cites·16 claims
- 0889US10030784B2Ball valve tertiary seal assembly and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2015·Granted Jul 24, 2018·9 cites·13 claims
- 0989US9732576B2Compact cutting system and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2014·Granted Aug 15, 2017·18 cites·32 claims
- 1083US10663068B2Wedge guideWORLDWIDE OILFIELD MACHINE INC·Filed 2018·Granted May 26, 2020·7 cites·20 claims
- 1183US10378301B2BOP compact bonnet-booster (CBB) piston assembly and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2017·Granted Aug 13, 2019·6 cites·10 claims
- 1283US6260822B1Seat assembly for a gate valveWORLDWIDE OILFIELD MACHINE INC·Filed 2000·Granted Jul 17, 2001·51 cites·21 claims
- 1381US10006266B2Lightweight and compact subsea intervention package and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2014·Granted Jun 26, 2018·6 cites·29 claims
- 1480US10190382B2BOP booster piston assembly and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2016·Granted Jan 29, 2019·5 cites·22 claims
- 1578US11009419B2Pressure gauge flange assemblyWORLDWIDE OILFIELD MACHINE INC·Filed 2019·Granted May 18, 2021·5 cites·13 claims
- 1676US11530590B2Interlocking dual v-shaped shear ram and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2020·Granted Dec 20, 2022·1 cites·27 claims
- 1776US7040408B2Flowhead and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2003·Granted May 9, 2006·58 cites·22 claims
- 1873US11384846B2Top entry ball valve and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2021·Granted Jul 12, 2022·2 cites·10 claims
- 1971US7578349B2Lightweight and compact subsea intervention package and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2004·Granted Aug 25, 2009·41 cites·19 claims
- 2070US10570690B2BOP compact bonnet-booster (CBB) piston assembly and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2019·Granted Feb 25, 2020·2 cites·6 claims
- 2169US11414949B2Deepwater riser intervention systemWORLDWIDE OILFIELD MACHINE INC·Filed 2020·Granted Aug 16, 2022·1 cites·12 claims
- 2268US10683722B2Replaceable seat seal assemblyWORLDWIDE OILFIELD MACHINE INC·Filed 2018·Granted Jun 16, 2020·1 cites·30 claims
- 2364USD1102561SGate valveWORLDWIDE OILFIELD MACHINE INC·Filed 2022·Granted Nov 18, 2025·0 cites·1 claims
- 2463US11156055B2Locking mechanism for subsea compact cutting device (CCD)WORLDWIDE OILFIELD MACHINE INC·Filed 2019·Granted Oct 26, 2021·1 cites·20 claims
- 2562US6575426B2Valve system and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2001·Granted Jun 10, 2003·25 cites·28 claims
- 2660US12146512B2Two port hydraulic ram operation with locking/unlocking methodWORLDWIDE OILFIELD MACHINE INC·Filed 2023·Granted Nov 19, 2024·0 cites·18 claims
- 2757US2025381593A1Closed die forged bop bonnet housing and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2024·Application pending·0 cites
- 2854US12435595B2BOP piston booster and bonnet assemblyWORLDWIDE OILFIELD MACHINE INC·Filed 2023·Granted Oct 7, 2025·0 cites·12 claims
- 2952US11187054B2BOP booster piston assembly and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2018·Granted Nov 30, 2021·0 cites·17 claims
- 3051US10316608B2Compact cutting system and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2017·Granted Jun 11, 2019·0 cites·21 claims
- 3149US10473234B2Plunger gear shaft assembly for torque reducer for high-pressure gate valvesWORLDWIDE OILFIELD MACHINE INC·Filed 2018·Granted Nov 12, 2019·0 cites·7 claims
- 3248US12516741B2Hydraulic valve with manual overrideWORLDWIDE OILFIELD MACHINE INC·Filed 2022·Granted Jan 6, 2026·0 cites·5 claims
- 3347US12404735B2Forged bop internal cavity profile for workover rigsWORLDWIDE OILFIELD MACHINE INC·Filed 2023·Granted Sep 2, 2025·0 cites·19 claims
- 3447US12098601B2Weldless drilling diverter adapterWORLDWIDE OILFIELD MACHINE INC·Filed 2022·Granted Sep 24, 2024·0 cites·16 claims
- 3546US2024110456A1Non-sealing casing shear ramsWORLDWIDE OILFIELD MACHINE INC·Filed 2023·Application pending·0 cites
- 3645US11668154B2Variable bore ram assemblyWORLDWIDE OILFIELD MACHINE INC·Filed 2021·Granted Jun 6, 2023·0 cites·11 claims
- 3744USD1006593SRam packerWORLDWIDE OILFIELD MACHINE INC·Filed 2017·Granted Dec 5, 2023·4 cites·1 claims
- 3843US10851610B2BOP single-piece replaceable insertWORLDWIDE OILFIELD MACHINE INC·Filed 2019·Granted Dec 1, 2020·0 cites·18 claims
- 3942US10655421B2Compact cutting system and methodWORLDWIDE OILFIELD MACHINE INC·Filed 2017·Granted May 19, 2020·0 cites·18 claims
- 4041US10954738B2Dual compact cutting device intervention systemWORLDWIDE OILFIELD MACHINE INC·Filed 2019·Granted Mar 23, 2021·0 cites·20 claims
- 4135US2023091302A1System and method for plug milling / flow-back / live descaling integrated improved workflow operationsWORLDWIDE OILFIELD MACHINE INC·Filed 2022·Application pending·0 cites
- 4234US11624259B2Secure shutdown system for wellheadsWORLDWIDE OILFIELD MACHINE INC·Filed 2021·Granted Apr 11, 2023·0 cites·10 claims
- 4332US2022178219A1Annular preventerWORLDWIDE OILFIELD MACHINE INC·Filed 2020·Application pending·0 cites
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