Inventor · disambiguated record
Ulrich Marquardt
Also filed as: MARQUARDT ULRICH
10 granted patents·137 citations·filing 1985–1994
90Inventor score
Files withSIEMENS AG10
Top patents by PatentIndex Score
10 records- 0179US4703137AElectric switchgear with a pull-out frame and a switching device that can be inserted thereinSIEMENS AG·Filed 1986·Granted Oct 27, 1987·40 cites·19 claims
- 0264US4742200AActuating device for a low-voltage circuit breaker with a ratchet wheelSIEMENS AG·Filed 1986·Granted May 3, 1988·15 cites·7 claims
- 0362US4655098ADrive mechanism for a circuit breaker using eccentric member and directional lockSIEMENS AG·Filed 1985·Granted Apr 7, 1987·14 cites·13 claims
- 0459US5661627AArrangement for controlling the switching of a power circuit breakerSIEMENS AG·Filed 1994·Granted Aug 26, 1997·15 cites·10 claims
- 0552US4788453AArrangement for the logical interlinkage of mechanical signalsSIEMENS AG·Filed 1987·Granted Nov 29, 1988·13 cites·10 claims
- 0651US4636762AContact assembly having a current-dependent force increasing the contact forceSIEMENS AG·Filed 1985·Granted Jan 13, 1987·9 cites·10 claims
- 0750US4746239ASupport structure which can be put together from sheet metal partsSIEMENS AG·Filed 1986·Granted May 24, 1988·17 cites·1 claims
- 0846US5528009AVacuum switch with a current-loop assemblySIEMENS AG·Filed 1993·Granted Jun 18, 1996·9 cites·2 claims
- 0938US4746778ACircuit breaker with an actuating device and an energy accumulatorSIEMENS AG·Filed 1986·Granted May 24, 1988·4 cites·5 claims
- 1031US5608365AMulti-pole low-voltage power switch with a switching shaftSIEMENS AG·Filed 1993·Granted Mar 4, 1997·1 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Ulrich Marquardt files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →