Inventor · disambiguated record
Hugh B. Matthews
Also filed as: MATTHEWS HUGH B · MATTHEWS SR HUGH B
18 granted patents·665 citations·filing 1974–1989
96Inventor score
Top patents by PatentIndex Score
18 records- 0198US4605977AAir bearing head displacement sensor and positionerSPERRY CORP·Filed 1983·Granted Aug 12, 1986·168 cites·13 claims
- 0294US4142108AGeothermal energy conversion systemSPERRY RAND CORP·Filed 1977·Granted Feb 27, 1979·88 cites·32 claims
- 0386US4059959AGeothermal energy processing system with improved heat rejectionSPERRY RAND CORP·Filed 1976·Granted Nov 29, 1977·47 cites·15 claims
- 0485US4932500ALubrication insertion systemHONEYWELL INC·Filed 1989·Granted Jun 12, 1990·40 cites·10 claims
- 0583US4077220AGravity head geothermal energy conversion systemSPERRY RAND CORP·Filed 1976·Granted Mar 7, 1978·45 cites·12 claims
- 0683US4066995AAcoustic isolation for a telemetry system on a drill stringSPERRY RAND CORP·Filed 1975·Granted Jan 3, 1978·54 cites·3 claims
- 0779US4050517AGeothermal energy well casing seal and method of installationSPERRY RAND CORP·Filed 1976·Granted Sep 27, 1977·29 cites·10 claims
- 0879US3988896AGeothermal energy pump and monitor systemSPERRY RAND CORP·Filed 1975·Granted Nov 2, 1976·34 cites·27 claims
- 0974US4342197AGeothermal pump down-hole energy regeneration systemSPERRY CORP·Filed 1980·Granted Aug 3, 1982·28 cites·3 claims
- 1071US3939659AGeothermal energy system fluid filter and control apparatusSPERRY RAND CORP·Filed 1974·Granted Feb 24, 1976·21 cites·9 claims
- 1168US3938334AGeothermal energy control system and methodSPERRY RAND CORP·Filed 1974·Granted Feb 17, 1976·19 cites·4 claims
- 1267US4380903AEnthalpy restoration in geothermal energy processing systemSPERRY CORP·Filed 1981·Granted Apr 26, 1983·20 cites·9 claims
- 1363US3967448AGeothermal energy well casing sealSPERRY RAND CORP·Filed 1974·Granted Jul 6, 1976·16 cites·9 claims
- 1460US4325681AGeothermal irrigation pumpSPERRY CORP·Filed 1980·Granted Apr 20, 1982·16 cites·8 claims
- 1555US4388807AGeothermal power extraction system with above surface heating of working fluidSPERRY CORP·Filed 1981·Granted Jun 21, 1983·13 cites·5 claims
- 1651US4426849AGravity head reheat methodSPERRY CORP·Filed 1981·Granted Jan 24, 1984·12 cites·1 claims
- 1747US4328673AGeothermal pump dual cycle systemSPERRY CORP·Filed 1980·Granted May 11, 1982·10 cites·5 claims
- 1834US4025240AGeothermal energy control system and methodSPERRY RAND CORP·Filed 1975·Granted May 24, 1977·5 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →