Inventor · disambiguated record
Richard M. Ward
Also filed as: WARD RICHARD · WARD RICHARD M · WARD RICHARD MICHAEL
14 granted patents·3 pending applications·414 citations·filing 1980–2019
93Inventor score
Top patents by PatentIndex Score
17 records- 0190US5826651AWellbore single trip millingWEATHERFORD LAMB·Filed 1996·Granted Oct 27, 1998·156 cites·9 claims
- 0279US6116336AWellbore mill systemWEATHERFORD LAMB·Filed 1997·Granted Sep 12, 2000·71 cites·24 claims
- 0379US5007344ADual firing system for a perforating gunDRESSER IND·Filed 1988·Granted Apr 16, 1991·35 cites·26 claims
- 0475US10270628B1Method and system for calibrating equalizersINPHI CORP·Filed 2016·Granted Apr 23, 2019·2 cites·20 claims
- 0567US6334487B1Valve assemblyFiled 2000·Granted Jan 1, 2002·29 cites·32 claims
- 0665US6484808B2Stripper/packerVARCO INT·Filed 2000·Granted Nov 26, 2002·31 cites·14 claims
- 0760US7261155B1Cable side-entry sub with grease injection flow tubesVARCO I P·Filed 2004·Granted Aug 28, 2007·24 cites·18 claims
- 0859US5743331AWellbore milling systemWEATHERFORD LAMB·Filed 1996·Granted Apr 28, 1998·31 cites·13 claims
- 0956US9441444B2Modular subsea stripper packer and method of using sameNAT OILWELL VARCO LP·Filed 2013·Granted Sep 13, 2016·2 cites·27 claims
- 1051US10382236B2Method and system for calibrating equalizersINPHI CORP·Filed 2019·Granted Aug 13, 2019·0 cites·20 claims
- 1141US4770246AMethod and apparatus for firing borehole perforating apparatusDRESSER IND·Filed 1986·Granted Sep 13, 1988·13 cites·15 claims
- 1238US2013046066A1Method of preparing a polymer and compositions thereforJOHNSON MATTHEY PLC·Filed 2011·Application pending·0 cites
- 1337US2006076526A1Anodic Protective Seal in a Blowout PreventerVARCO INT·Filed 2005·Application pending·0 cites
- 1436US2014110611A1Blowout preventer seal assembly and method of using sameMCCLANAHAN PERRY LEE·Filed 2012·Application pending·0 cites
- 1535US10612324B2Wellsite tool guide assembly and method of using sameNAT OILWELL VARCO LP·Filed 2016·Granted Apr 7, 2020·0 cites·23 claims
- 1632US4674328AMethod and apparatus for determining subsurface conditions using a tubing packoff toolDRESSER IND·Filed 1985·Granted Jun 23, 1987·8 cites·1 claims
- 1732US4371038AApparatus and method for injecting fluid into a wellOTIS ENG CO·Filed 1980·Granted Feb 1, 1983·12 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →