Inventor · disambiguated record
William A. Valka
Also filed as: VALKA WILLIAM A
11 granted patents·507 citations·filing 1980–2000
93Inventor score
Top patents by PatentIndex Score
11 records- 0181US5107931ATemporary abandonment cap and toolVALKA WILLIAM A·Filed 1990·Granted Apr 28, 1992·93 cites·25 claims
- 0280US5105888AWell casing hanger and packoff running and retrieval toolPOLLOCK J ROARK·Filed 1991·Granted Apr 21, 1992·117 cites·10 claims
- 0380US4438817ASubsea well with retrievable piping deckARMCO INC·Filed 1982·Granted Mar 27, 1984·57 cites·12 claims
- 0474US6386291B1Subsea wellhead system and method for drilling shallow water flow formationsFiled 2000·Granted May 14, 2002·54 cites·9 claims
- 0573US5259459ASubsea wellhead tieback connectorFMC CORP·Filed 1991·Granted Nov 9, 1993·57 cites·9 claims
- 0656US4300637ATool for remotely determining the position of a device in an underwater well assemblyARMCO INC·Filed 1980·Granted Nov 17, 1981·23 cites·10 claims
- 0754US5069287ARetrievable guide base for subsea wellFMC CORP·Filed 1990·Granted Dec 3, 1991·28 cites·11 claims
- 0852US4300750APosition indicating valvesARMCO INC·Filed 1980·Granted Nov 17, 1981·19 cites·6 claims
- 0947US5299643ADual radially locked subsea housingFMC CORP·Filed 1992·Granted Apr 5, 1994·21 cites·24 claims
- 1047US5088556ASubsea well guide base running toolFMC CORP·Filed 1990·Granted Feb 18, 1992·23 cites·8 claims
- 1137US4969517ASub-mudling casing hanger/packoffFMC CORP·Filed 1989·Granted Nov 13, 1990·15 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →