Inventor · disambiguated record
Erich Marquardt
Also filed as: MARQUARDT ERICH
7 granted patents·121 citations·filing 1974–2001
86Inventor score
Files withMARQUARDT J & J3WERMA SIGNALTECHNIK GMBH & CO2MARQUARDT GMBH1WERMA SIGNALGERAETE GMBH & CO1
Top patents by PatentIndex Score
7 records- 0184US3997745ASwitchesMARQUARDT J & J·Filed 1974·Granted Dec 14, 1976·27 cites·5 claims
- 0271US5952915ASignal pillarWERMA SIGNALGERAETE GMBH & CO·Filed 1995·Granted Sep 14, 1999·36 cites·24 claims
- 0369US4035596AElectrical switch constructionMARQUARDT J & J·Filed 1976·Granted Jul 12, 1977·15 cites·7 claims
- 0468US6632003B2Signal apparatusWERMA SIGNALTECHNIK GMBH & CO·Filed 2001·Granted Oct 14, 2003·24 cites·16 claims
- 0550US6572242B2Illuminator for a signal lampWERMA SIGNALTECHNIK GMBH & CO·Filed 2001·Granted Jun 3, 2003·6 cites·22 claims
- 0647US3982086AElectrical switch constructionMARQUARDT J & J·Filed 1975·Granted Sep 21, 1976·7 cites·9 claims
- 0746US4447687APushbutton switchMARQUARDT GMBH·Filed 1982·Granted May 8, 1984·6 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →