Inventor · disambiguated record
Robert D. Lowery
Also filed as: LOWERY ROBERT D
6 granted patents·54 citations·filing 1975–1982
82Inventor score
Top patents by PatentIndex Score
6 records- 0154US4030584ANormally disengaged electro-magnetic spring clutch capable of field adjustment of the wrap angleMARQUETTE METAL PRODUCTS CO·Filed 1976·Granted Jun 21, 1977·13 cites·11 claims
- 0253US4059176AUnitary spring clutch brake and actuator assemblyMARQUETTE METAL PRODUCTS CO·Filed 1976·Granted Nov 22, 1977·11 cites·4 claims
- 0348US3990554ANormally engaged spring clutch assembly drivable through either clutch drumMARQUETTE METAL PRODUCTS CO·Filed 1975·Granted Nov 9, 1976·9 cites·10 claims
- 0442US4159048AOne way coil clutch with electric releaseMARQUETTE METAL PRODUCTS CO·Filed 1977·Granted Jun 26, 1979·7 cites·1 claims
- 0540US4482608ARelease coating for infrared imageable and thermally imageable filmsMINNESOTA MINING & MFG·Filed 1982·Granted Nov 13, 1984·8 cites·8 claims
- 0635US4270637AAdjustable spring clutchMARQUETTE METAL PRODUCTS·Filed 1979·Granted Jun 2, 1981·6 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Robert D. Lowery 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 →