Inventor · disambiguated record
Carl D. Griffith
Also filed as: GRIFFITH CARL · GRIFFITH CARL D · GRIFFITH CARL R
17 granted patents·1 pending application·513 citations·filing 1975–2018
95Inventor score
Files withSPERRY CORP7AMERICAN SIGMA INC3BELL HELICOPTER TEXTRON INC3SPERRY RAND CORP3GRIFFITH GRANT L1
Top patents by PatentIndex Score
18 records- 0192US5172332AAutomatic fluid sampling and monitoring apparatus and methodAMERICAN SIGMA INC·Filed 1990·Granted Dec 15, 1992·88 cites·29 claims
- 0287US4345195AStrapdown multifunction servoactuator apparatus for aircraftSPERRY CORP·Filed 1980·Granted Aug 17, 1982·73 cites·18 claims
- 0387US4109886ASemi-automatic flight control system utilizing limited authority stabilization systemSPERRY RAND CORP·Filed 1976·Granted Aug 29, 1978·49 cites·10 claims
- 0482US4228386AAircraft servoactuator apparatusSPERRY CORP·Filed 1978·Granted Oct 14, 1980·47 cites·12 claims
- 0581US5091863AAutomatic fluid sampling and flow measuring apparatus and methodAMERICAN SIGMA INC·Filed 1989·Granted Feb 25, 1992·48 cites·36 claims
- 0681US4660607ASensor controlled sampling apparatus and methodAMERICAN SIGMA INC·Filed 1986·Granted Apr 28, 1987·47 cites·17 claims
- 0775US4930988AIndividual blade control system for helicoptersHONEYWELL INC·Filed 1989·Granted Jun 5, 1990·46 cites·13 claims
- 0873US9870004B2High authority stability and control augmentation systemBELL HELICOPTER TEXTRON INC·Filed 2014·Granted Jan 16, 2018·4 cites·15 claims
- 0965US4106728AFail safe force feel systemSPERRY RAND CORP·Filed 1977·Granted Aug 15, 1978·26 cites·10 claims
- 1063US4603388AVTOL altitude hold system with automatic ground effect compensationSPERRY CORP·Filed 1983·Granted Jul 29, 1986·20 cites·10 claims
- 1161US4603389AThree cue flight director system for helicoptersSPERRY CORP·Filed 1983·Granted Jul 29, 1986·18 cites·16 claims
- 1260US2007095870A1Continuously variable, closed loop, instrument tetherGRIFFITH GRANT L·Filed 2005·Application pending·0 cites
- 1358US4490794AAltitude preselect system for aircraft without air data computerSPERRY CORP·Filed 1982·Granted Dec 25, 1984·18 cites·25 claims
- 1455US10712752B2High authority stability and control augmentation systemBELL HELICOPTER TEXTRON INC·Filed 2018·Granted Jul 14, 2020·0 cites·15 claims
- 1555US4551804AApproach to hover control system for helicoptersSPERRY CORP·Filed 1983·Granted Nov 5, 1985·14 cites·9 claims
- 1654US9868522B2Rotorcraft autopilot controlBELL HELICOPTER TEXTRON INC·Filed 2014·Granted Jan 16, 2018·2 cites·18 claims
- 1743US4460964AMultiaxis hardover protection apparatus for automatic flight control systemsSPERRY CORP·Filed 1981·Granted Jul 17, 1984·9 cites·15 claims
- 1838US4017726AFour quadrant rate taker and synchronizerSPERRY RAND CORP·Filed 1975·Granted Apr 12, 1977·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →