Inventor · disambiguated record
Bernhard Rothkegel
Also filed as: ROTHKEGEL BERNHARD · SCHERBAUM RUDOLF
13 granted patents·154 citations·filing 1973–1989
92Inventor score
Top patents by PatentIndex Score
13 records- 0188US3954459AMethod for making sintered silver-metal oxide electric contact materialSIEMENS AG·Filed 1973·Granted May 4, 1976·39 cites·3 claims
- 0275US4609525ACadmium-free silver and metal oxide composite useful for electrical contacts and a method for its manufactureSIEMENS AG·Filed 1985·Granted Sep 2, 1986·22 cites·8 claims
- 0366US4153755AImpregnated sintered material for electrical contacts and method for its productionSIEMENS AG·Filed 1978·Granted May 8, 1979·17 cites·3 claims
- 0458US5246480ASintered contact material based on silver for use in power engineering switch-gear, in particular for contact pieces in low-voltage switchesSIEMENS AG·Filed 1989·Granted Sep 21, 1993·12 cites·8 claims
- 0558US4764227ASintered electrical contact material for low voltage power switchingSIEMENS AG·Filed 1986·Granted Aug 16, 1988·10 cites·2 claims
- 0658US4671889AMolded getter bodies and method of producing the sameSCHREINER HORST·Filed 1985·Granted Jun 9, 1987·19 cites·10 claims
- 0757US4855104AMethod for the production of sintered electrical contact material for low voltage power switchingSIEMENS AG·Filed 1988·Granted Aug 8, 1989·9 cites·7 claims
- 0849US4681702ASintered, electrical contact material for low voltage power switchingSIEMENS AG·Filed 1986·Granted Jul 21, 1987·11 cites·3 claims
- 0944US4980125ASinter contact material for low voltage switching apparatus of the energy technology, in particular for motor contactorsSIEMENS AG·Filed 1989·Granted Dec 25, 1990·7 cites·7 claims
- 1037US4008520AContact member and method of manufactureSIEMENS AG·Filed 1975·Granted Feb 22, 1977·3 cites·5 claims
- 1135US4362494AAutomatic pressSIEMENS AG·Filed 1981·Granted Dec 7, 1982·3 cites·6 claims
- 1232US4185968AMethod for generating a solderable surface on a contact piece of silver and finely distributed graphite particlesSIEMENS AG·Filed 1977·Granted Jan 29, 1980·2 cites·7 claims
- 1329US4543223AMethod for the dry molding of formed partsSIEMENS AG·Filed 1983·Granted Sep 24, 1985·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →