Inventor · disambiguated record
Roland Siefert
Also filed as: SIEFERT ROLAND
8 granted patents·58 citations·filing 1974–1988
85Inventor score
Top patents by PatentIndex Score
8 records- 0159US4720820AClock, in particular desk or wall clock, with one or more analog time indicating devicesSIEFERT ROLAND·Filed 1986·Granted Jan 19, 1988·20 cites·22 claims
- 0258US4228533AAutonomous pendulum mechanism for clockworksKIENZLE UHRENFABRIKEN GMBH·Filed 1979·Granted Oct 14, 1980·13 cites·12 claims
- 0338US4365867AElectrically adjustable apparatus for motor vehicle rear view mirrorSIEFERT ROLAND·Filed 1980·Granted Dec 28, 1982·7 cites·19 claims
- 0436US4507963ATachograph cover door assemblyKIENZLE APPARATE GMBH·Filed 1982·Granted Apr 2, 1985·5 cites·4 claims
- 0534US4282596AAlarm clock case shut-off deviceKIENZLE UHRENFABRIKEN GMBH·Filed 1980·Granted Aug 4, 1981·4 cites·3 claims
- 0633US4043118APendulum device for battery-powered clockwork mechanismKIENZLE UHRENFABRIKEN GMBH·Filed 1975·Granted Aug 23, 1977·4 cites·4 claims
- 0725US4862191AVehicle operation recorderMOTOR METER AG·Filed 1988·Granted Aug 29, 1989·4 cites·28 claims
- 0819US4004408AMechanical improvement on an electric alarm clockKIENZLE UHRENFABRIKEN GMBH·Filed 1974·Granted Jan 25, 1977·1 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Roland Siefert 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 →