Inventor · disambiguated record
Robert T. Evans
Also filed as: EVANS ROBERT F · EVANS ROBERT T · EVANS ROBERT TODD
11 granted patents·3 pending applications·667 citations·filing 1974–2013
93Inventor score
Top patents by PatentIndex Score
14 records- 0196US4590995ARetrievable straddle packerHALLIBURTON CO·Filed 1985·Granted May 27, 1986·199 cites·5 claims
- 0295US4113012AReclosable circulation valve for use in oil well testingHALLIBURTON CO·Filed 1977·Granted Sep 12, 1978·121 cites·7 claims
- 0386US3958851AShielded connectorIBM·Filed 1974·Granted May 25, 1976·34 cites·7 claims
- 0484US3976136APressure operated isolation valve for use in a well testing apparatus and its method of operationHALLIBURTON CO·Filed 1975·Granted Aug 24, 1976·54 cites·15 claims
- 0580US4278130AAccess valve for drill stem testingHALLIBURTON CO·Filed 1979·Granted Jul 14, 1981·45 cites·19 claims
- 0679US4312564AMulti-fiber optic connectorIBM·Filed 1977·Granted Jan 26, 1982·39 cites·5 claims
- 0777US4646829AHydraulically set and released bridge plugHALLIBURTON CO·Filed 1985·Granted Mar 3, 1987·62 cites·18 claims
- 0875US4924495AEnhanced communication services and apparatusRICHARDS PHILIP C·Filed 1988·Granted May 8, 1990·42 cites·6 claims
- 0970US5170008AExternal cable grommet for cable entry of EMI protected cabinetsIBM·Filed 1991·Granted Dec 8, 1992·36 cites·5 claims
- 1069US4405201AFiber optic connectorIBM·Filed 1981·Granted Sep 20, 1983·28 cites·12 claims
- 1161US2015213491A1Method and system for optimizing communication about entertainmentIN2UNE LLC·Filed 2013·Application pending·0 cites
- 1257US2013096981A1Method and system for optimizing communication about entertainmentEVANS ROBERT TODD·Filed 2012·Application pending·0 cites
- 1336US2004147169A1Power connector with safety featureFiled 2003·Application pending·0 cites
- 1430US4696344AAnnulus pressure operated ratchet deviceHALLIBURTON CO·Filed 1985·Granted Sep 29, 1987·7 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →