Assignee
HEATH CO
38 granted patents·2,578 citations·filing 1974–1997
Top patents by PatentIndex Score
38 records- 0198US4631749AROM compensated microphoneHEATH CO·Filed 1984·Granted Dec 23, 1986·206 cites·11 claims
- 0296US4679152ANavigation system and method for a mobile robotHEATH CO·Filed 1985·Granted Jul 7, 1987·479 cites·16 claims
- 0396US4582434ATime corrected, continuously updated clockHEATH CO·Filed 1984·Granted Apr 15, 1986·158 cites·15 claims
- 0494USD395408SPost light sensor housingHEATH CO·Filed 1997·Granted Jun 23, 1998·51 cites·1 claims
- 0594US5239205AWireless multiple position switching systemHEATH CO·Filed 1991·Granted Aug 24, 1993·254 cites·11 claims
- 0694US4620285ASonar ranging/light detection system for use in a robotHEATH CO·Filed 1984·Granted Oct 28, 1986·147 cites·26 claims
- 0794US4600357AGripper force sensor/controller for robotic armHEATH CO·Filed 1984·Granted Jul 15, 1986·260 cites·17 claims
- 0892US5340954AWireless multiple position switching systemHEATH CO·Filed 1993·Granted Aug 23, 1994·191 cites·7 claims
- 0991US5818128AWireless multiple position switching systemHEATH CO·Filed 1996·Granted Oct 6, 1998·174 cites·10 claims
- 1088US5626417AMotion detector assembly for use with a decorative coach lampHEATH CO·Filed 1996·Granted May 6, 1997·63 cites·9 claims
- 1188US4081797AOn-screen channel displayHEATH CO·Filed 1975·Granted Mar 28, 1978·42 cites·33 claims
- 1284US5598066ATwo-level security lighting systemHEATH CO·Filed 1996·Granted Jan 28, 1997·70 cites·13 claims
- 1383US4527766AVideo display tilt apparatusHEATH CO·Filed 1983·Granted Jul 9, 1985·35 cites·14 claims
- 1482US4027146AHigh speed accurate low frequency counterHEATH CO·Filed 1976·Granted May 31, 1977·44 cites·13 claims
- 1581USD244616SPower amplifierHEATH CO·Filed 1975·Granted Jun 7, 1977·20 cites·1 claims
- 1679US4066311AMultiple gun cathode ray tube testing, cleaning, and rejuvenating apparatusHEATH CO·Filed 1977·Granted Jan 3, 1978·24 cites·13 claims
- 1772US4110750AProgrammable electronic door chimeHEATH CO·Filed 1976·Granted Aug 29, 1978·18 cites·8 claims
- 1871US3994237APower supply for realistic control of model railroad enginesHEATH CO·Filed 1975·Granted Nov 30, 1976·29 cites·22 claims
- 1970US5132492ALimited travel universally adjustable electrical fixtureHEATH CO·Filed 1991·Granted Jul 21, 1992·36 cites·5 claims
- 2069US4408172AVariable speed tuning selectorHEATH CO·Filed 1981·Granted Oct 4, 1983·21 cites·8 claims
- 2167US4542326AAutomatic antenna positioning systemHEATH CO·Filed 1982·Granted Sep 17, 1985·26 cites·10 claims
- 2267US4423975AForm trimming apparatus and method for line printerHEATH CO·Filed 1982·Granted Jan 3, 1984·15 cites·1 claims
- 2367US4034268ASpeaker protection circuitHEATH CO·Filed 1975·Granted Jul 5, 1977·26 cites·26 claims
- 2466USD400997SLight fixtureHEATH CO·Filed 1997·Granted Nov 10, 1998·17 cites·1 claims
- 2564US4490741ASynchronization signal stabilization for video image overlayHEATH CO·Filed 1982·Granted Dec 25, 1984·17 cites·13 claims
- 2664US4422700AGrounded multi-pin connector for shielded flat cableHEATH CO·Filed 1982·Granted Dec 27, 1983·20 cites·14 claims
- 2764US4414298APrinted circuit board mount for batteries and the likeHEATH CO·Filed 1982·Granted Nov 8, 1983·20 cites·1 claims
- 2859US3938048AFrequency measuring apparatusHEATH CO·Filed 1974·Granted Feb 10, 1976·10 cites·8 claims
- 2957US5894262AElectronic doorbell with reversible diodeHEATH CO·Filed 1996·Granted Apr 13, 1999·27 cites·22 claims
- 3057USD244962STunerHEATH CO·Filed 1975·Granted Jul 5, 1977·7 cites·1 claims
- 3153US4053790APower line switch with time delay turn offHEATH CO·Filed 1976·Granted Oct 11, 1977·8 cites·7 claims
- 3252US4501458ALocking hinge for a printed circuit boardHEATH CO·Filed 1983·Granted Feb 26, 1985·14 cites·7 claims
- 3349US4538875AStrain relief clip for electrical cableHEATH CO·Filed 1984·Granted Sep 3, 1985·11 cites·9 claims
- 3448US4611343AAudio spectrum analyzer operable in a difference modeHEATH CO·Filed 1984·Granted Sep 9, 1986·9 cites·7 claims
- 3548US4011491AMotor speed control circuitHEATH CO·Filed 1975·Granted Mar 8, 1977·11 cites·5 claims
- 3645US5600552ADirect current power supply for use in series with a load in an alternating current circuitHEATH CO·Filed 1995·Granted Feb 4, 1997·13 cites·13 claims
- 3739USD246780SMicrophone/encoder moduleHEATH CO·Filed 1976·Granted Dec 27, 1977·5 cites·1 claims
- 3828US4546348ADual channel curve tracerHEATH CO·Filed 1983·Granted Oct 8, 1985·0 cites·12 claims
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