Inventor · disambiguated record
Frederic F. Grant
Also filed as: GRANT FREDERIC F · GRANT FREDERIC FRANCIS
37 granted patents·516 citations·filing 1973–1997
98Inventor score
Top patents by PatentIndex Score
37 records- 0190US4984108AApparatus for transporting magnetic tape cassettes of different sizesDATATAPE INC·Filed 1988·Granted Jan 8, 1991·45 cites·4 claims
- 0287US6354980B1Automatic transmission systems for humanly powered vehiclesFiled 1997·Granted Mar 12, 2002·40 cites·58 claims
- 0387US4216505ATransducer head vibration dampeningBELL & HOWELL CO·Filed 1978·Granted Aug 5, 1980·28 cites·29 claims
- 0485US4573619ATape guide mechanism for dynamic tracking controlEASTMAN KODAK CO·Filed 1985·Granted Mar 4, 1986·31 cites·8 claims
- 0584US4403720ABidirectional tape advancing method and apparatusBELL & HOWELL CO·Filed 1982·Granted Sep 13, 1983·26 cites·14 claims
- 0680US4267951ATape guiding method and apparatusBELL & HOWELL CO·Filed 1979·Granted May 19, 1981·20 cites·32 claims
- 0779US4891720ABelt drive system for a magnetic tape cassette transport/accessorDATATAPE INC·Filed 1988·Granted Jan 2, 1990·25 cites·7 claims
- 0875US3930603ALow inertia capstanAMPEX·Filed 1973·Granted Jan 6, 1976·14 cites·22 claims
- 0972US5021901AFerris wheel magnetic tape cassette storage and handling apparatusEASTMAN KODAK CO·Filed 1989·Granted Jun 4, 1991·22 cites·3 claims
- 1072US4354644AReel mounting methods and apparatusBELL & HOWELL CO·Filed 1980·Granted Oct 19, 1982·15 cites·65 claims
- 1170US4159811ATape transport cartridgeGRANT FREDERIC F·Filed 1976·Granted Jul 3, 1979·15 cites·9 claims
- 1268US4514055AInformation transferring systems operating on a recording mediumBELL & HOWELL CO·Filed 1983·Granted Apr 30, 1985·13 cites·32 claims
- 1367US4763210AHelical scan tape guide apparatusDATATAPE INC·Filed 1987·Granted Aug 9, 1988·15 cites·8 claims
- 1466US5003417ASpring dampener assembly for a sprocket driven belt drive systemDATATAPE INC·Filed 1988·Granted Mar 26, 1991·14 cites·6 claims
- 1566US4991041AApparatus for moving a cassette between storage and receiving locationsDATATAPE INC·Filed 1989·Granted Feb 5, 1991·14 cites·1 claims
- 1666US4194661ATape advancing methods and apparatusBELL & HOWELL CO·Filed 1978·Granted Mar 25, 1980·11 cites·28 claims
- 1766US3966190ASheet advancing methods and apparatusBELL & HOWELL CO·Filed 1973·Granted Jun 29, 1976·13 cites·1 claims
- 1863US4826097AReel spindle apparatus with internal clamping memberDATATAPE INC·Filed 1988·Granted May 2, 1989·14 cites·5 claims
- 1962US4991038AAutomatic threading of a web using a flexible threading bandDATATAPE INC·Filed 1988·Granted Feb 5, 1991·12 cites·9 claims
- 2060US4772969A"Expandable loop" method of and apparatus for automatically threading a web materialDATATAPE INC·Filed 1987·Granted Sep 20, 1988·11 cites·11 claims
- 2159US4779150APneumatically controlled tape-loading tape-transporting apparatusDATATAPE INC·Filed 1987·Granted Oct 18, 1988·11 cites·6 claims
- 2258US4789023AVibration isolating heat sinkGRANT FREDERIC F·Filed 1987·Granted Dec 6, 1988·19 cites·50 claims
- 2357US5003424AApparatus for changing the helix angle of magnetic tape relative to a rotary head scannerDATATAPE INC·Filed 1988·Granted Mar 26, 1991·10 cites·4 claims
- 2455US4967290AMultiple channel rotary magnetic head scanner having stackable electro-optical signal transmission modulesDATATAPE INC·Filed 1988·Granted Oct 30, 1990·9 cites·7 claims
- 2554US4819096ARotary head scanner including anamorphic beam-shaping apparatus in an optical signal-transmission channelDATATAPE INC·Filed 1988·Granted Apr 4, 1989·9 cites·4 claims
- 2653US4316568AMethods and apparatus for guiding tapeBELL & HOWELL CO·Filed 1979·Granted Feb 23, 1982·9 cites·34 claims
- 2748US5321566AMagnetic tape threading and transport apparatus including a sensor for controlling air bearing block movementDATATAPE INC·Filed 1992·Granted Jun 14, 1994·10 cites·2 claims
- 2847US5546831AGripping system for rotary objectsFiled 1993·Granted Aug 20, 1996·14 cites·44 claims
- 2940US4984107AApparatus for transporting a magnetic tape cassetteDATATAPE INC·Filed 1988·Granted Jan 8, 1991·5 cites·3 claims
- 3039US5243477AApparatus for threading magnetic tape from a single reel cartridge in a rotary head tape transportDATATAPE INC·Filed 1991·Granted Sep 7, 1993·4 cites·4 claims
- 3139US4592522ACoaxial reel assembly apparatusDATATAPE INC·Filed 1985·Granted Jun 3, 1986·4 cites·11 claims
- 3239US4442963ATape advancing method and apparatus with fast tape advance modeDATATAPE INC·Filed 1982·Granted Apr 17, 1984·3 cites·38 claims
- 3338US4947069ALow power magnetic tape reel motor and brake assemblyDATATAPE INC·Filed 1989·Granted Aug 7, 1990·7 cites·3 claims
- 3435US5044574AReel hub latch assemblyDATATAPE INC·Filed 1989·Granted Sep 3, 1991·2 cites·4 claims
- 3535US3972485AEndless-roll film cartridgeTECHNICOLOR CORP·Filed 1975·Granted Aug 3, 1976·1 cites·15 claims
- 3633US4431125ATape advancing method and apparatus with fast tape advance modeBELL & HOWELL CO·Filed 1982·Granted Feb 14, 1984·1 cites·12 claims
- 3726US5184258AHelical scan magnetic tape recorder with capstan assisted vacuum threadingDATATAPE INC·Filed 1991·Granted Feb 2, 1993·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →