Individual holder
KAUFMAN LANCE R
US·30 granted patents·1,160 citations·filing 1977–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
30 records- 0199US4218724ACompact circuit package having improved circuit connectorsKAUFMAN LANCE R·Filed 1978·Granted Aug 19, 1980·210 cites·11 claims
- 0290US4250481AVariable resistance device for thick film circuitryKAUFMAN LANCE R·Filed 1978·Granted Feb 10, 1981·34 cites·2 claims
- 0389US4554613AMultiple substrate circuit packageKAUFMAN LANCE R·Filed 1983·Granted Nov 19, 1985·52 cites·17 claims
- 0488US4394530APower switching device having improved heat dissipation meansKAUFMAN LANCE R·Filed 1977·Granted Jul 19, 1983·62 cites·6 claims
- 0587US4449165ACompact circuit package having an improved lead frame connectorKAUFMAN LANCE R·Filed 1982·Granted May 15, 1984·50 cites·7 claims
- 0686US4724514ALow cost compressively clamped circuit and heat sink assemblyKAUFMAN LANCE R·Filed 1986·Granted Feb 9, 1988·54 cites·20 claims
- 0786US4546410ACircuit package with membrane, containing thermoconductive material, ruptured against a heat sinkKAUFMAN LANCE R·Filed 1983·Granted Oct 8, 1985·55 cites·8 claims
- 0886US4498120AElectrical sub-assembly having a lead frame to be compressed between a circuit board and heat sinkKAUFMAN LANCE R·Filed 1984·Granted Feb 5, 1985·46 cites·3 claims
- 0985US4449292AMethod of clamping a circuit package to enhance heat transferKAUFMAN LANCE R·Filed 1982·Granted May 22, 1984·59 cites·5 claims
- 1083US4630174ACircuit package with external circuit board and connectionKAUFMAN LANCE R·Filed 1983·Granted Dec 16, 1986·55 cites·1 claims
- 1180US4215235ALead frame terminalKAUFMAN LANCE R·Filed 1978·Granted Jul 29, 1980·32 cites·3 claims
- 1279US4546411AMounting of a compact circuit package to a heat sink or the likeKAUFMAN LANCE R·Filed 1983·Granted Oct 8, 1985·44 cites·4 claims
- 1378US4266140APositioning means for optically couplable circuit elementsKAUFMAN LANCE R·Filed 1978·Granted May 5, 1981·39 cites·7 claims
- 1478US4257091AElectrical power converter thyristor firing circuit having noise immunityKAUFMAN LANCE R·Filed 1978·Granted Mar 17, 1981·21 cites·6 claims
- 1577US4700273ACircuit assembly with semiconductor expansion matched thermal pathKAUFMAN LANCE R·Filed 1986·Granted Oct 13, 1987·48 cites·4 claims
- 1675US4713723AIsolation transformerKAUFMAN LANCE R·Filed 1986·Granted Dec 15, 1987·22 cites·5 claims
- 1774US4819042AIsolated package for multiple semiconductor power componentsKAUFMAN LANCE R·Filed 1983·Granted Apr 4, 1989·36 cites·2 claims
- 1870US4818895ADirect current sense leadKAUFMAN LANCE R·Filed 1987·Granted Apr 4, 1989·35 cites·27 claims
- 1968US4488202ALead frame connector for compact circuit packageKAUFMAN LANCE R·Filed 1984·Granted Dec 11, 1984·23 cites·8 claims
- 2065US4574162ACompact circuit package with improved construction for clamping to enhance heat transferKAUFMAN LANCE R·Filed 1984·Granted Mar 4, 1986·26 cites·1 claims
- 2164US4577387AMethod of mounting a compact circuit package to a heat sink or the likeKAUFMAN LANCE R·Filed 1985·Granted Mar 25, 1986·22 cites·4 claims
- 2260US4907124ABolted circuit assembly with isolating washerKAUFMAN LANCE R·Filed 1988·Granted Mar 6, 1990·26 cites·1 claims
- 2358US4990720ACircuit assembly and method with direct bonded terminal pinKAUFMAN LANCE R·Filed 1990·Granted Feb 5, 1991·27 cites·19 claims
- 2453US4831723ADirect bond circuit assembly with crimped lead frameKAUFMAN LANCE R·Filed 1988·Granted May 23, 1989·18 cites·3 claims
- 2549US4739449ACircuit package with thermal expansion relief chimneyKAUFMAN LANCE R·Filed 1987·Granted Apr 19, 1988·16 cites·6 claims
- 2645US4902854AHermetic direct bond circuit assemblyKAUFMAN LANCE R·Filed 1988·Granted Feb 20, 1990·13 cites·14 claims
- 2742US4924292ADirect bond circuit assembly with crimped lead frameKAUFMAN LANCE R·Filed 1989·Granted May 8, 1990·10 cites·4 claims
- 2842US4879633ADirect bond circuit assembly with ground planeKAUFMAN LANCE R·Filed 1988·Granted Nov 7, 1989·11 cites·6 claims
- 2938US4860164AHeat sink apparatus with electrically insulative intermediate conduit portion for coolant flowKAUFMAN LANCE R·Filed 1988·Granted Aug 22, 1989·8 cites·4 claims
- 3035US5032691AElectric circuit assembly with voltage isolationKAUFMAN LANCE R·Filed 1990·Granted Jul 16, 1991·6 cites·31 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →