Assignee
RUF KG WILHELM
DE·19 granted patents·218 citations·filing 1974–1996
Top patents by PatentIndex Score
19 records- 0178US4287394AKeyboard switch assembly with printed circuit boardRUF KG WILHELM·Filed 1979·Granted Sep 1, 1981·25 cites·8 claims
- 0274US4847614AElectronic remote control means, especially for centrally controlled locking systems in motor vehiclesRUF KG WILHELM·Filed 1987·Granted Jul 11, 1989·106 cites·9 claims
- 0363US4771143ADiaphragm keyboardRUF KG WILHELM·Filed 1987·Granted Sep 13, 1988·13 cites·15 claims
- 0463US4440823APrinted board for electrical circuitsRUF KG WILHELM·Filed 1982·Granted Apr 3, 1984·17 cites·1 claims
- 0551US4520228AMulti-layer conductor plate and a method of makingRUF KG WILHELM·Filed 1982·Granted May 28, 1985·13 cites·3 claims
- 0647US4894638APotentiometer having vibration damping meansRUF KG WILHELM·Filed 1988·Granted Jan 16, 1990·9 cites·19 claims
- 0736US3938070ATrimming potentiometer in T or Pi network connection with parallel resistance pathsRUF KG WILHELM·Filed 1974·Granted Feb 10, 1976·5 cites·9 claims
- 0834US4035747AAdjustable attenuation equalizerRUF KG WILHELM·Filed 1975·Granted Jul 12, 1977·7 cites·22 claims
- 0933US4575589ASwitching contact arrangement, in particular for keyboards and a keyboardRUF KG WILHELM·Filed 1984·Granted Mar 11, 1986·2 cites·19 claims
- 1032US4719461AMethod of selective control of electrical circuits and a circuit arrangement for carrying out the methodRUF KG WILHELM·Filed 1986·Granted Jan 12, 1988·3 cites·8 claims
- 1131US4845461APotentiometerRUF KG WILHELM·Filed 1987·Granted Jul 4, 1989·3 cites·7 claims
- 1230US5354019AHolding means for mounting an electrical component actuated by a rotating spindle on an objectRUF KG WILHELM·Filed 1993·Granted Oct 11, 1994·1 cites·12 claims
- 1329US4908598ARotary potentiometerRUF KG WILHELM·Filed 1988·Granted Mar 13, 1990·5 cites·6 claims
- 1429US4097828ATuning unit with bandswitch for high frequency receiversRUF KG WILHELM·Filed 1976·Granted Jun 27, 1978·1 cites·12 claims
- 1526US4998089APotentiometer and method of making the sameRUF KG WILHELM·Filed 1989·Granted Mar 5, 1991·1 cites·8 claims
- 1625US5781099ATrimmer resistorRUF KG WILHELM·Filed 1996·Granted Jul 14, 1998·3 cites·14 claims
- 1725US4866413APotentiometer and method of making the sameRUF KG WILHELM·Filed 1988·Granted Sep 12, 1989·0 cites·10 claims
- 1824US4717903ATrimming resistorRUF KG WILHELM·Filed 1985·Granted Jan 5, 1988·3 cites·6 claims
- 1920US4472612AElectrical slide switchRUF KG WILHELM·Filed 1982·Granted Sep 18, 1984·1 cites·6 claims
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