Assignee
ROLTRA SPA
IT·12 granted patents·239 citations·filing 1976–1987
Top patents by PatentIndex Score
12 records- 0192US4074587AScrew-nut screw transmission couplingROLTRA SPA·Filed 1976·Granted Feb 21, 1978·44 cites·19 claims
- 0283US4402160AWindow winder device with flexible drive screwROLTRA SPA·Filed 1981·Granted Sep 6, 1983·32 cites·7 claims
- 0378US4858436AVehicle power brake systemROLTRA SPA·Filed 1987·Granted Aug 22, 1989·18 cites·6 claims
- 0474US4766985APower clutch systemROLTRA SPA·Filed 1987·Granted Aug 30, 1988·20 cites·8 claims
- 0573US4186621AScrew-nut screw transmission couplingROLTRA SPA·Filed 1978·Granted Feb 5, 1980·20 cites·5 claims
- 0669US4281566ASpeed reduction unitROLTRA SPA·Filed 1979·Granted Aug 4, 1981·18 cites·9 claims
- 0767US4186620AScrew-nut screw transmission couplingROLTRA SPA·Filed 1978·Granted Feb 5, 1980·18 cites·7 claims
- 0866US4872714AElectrically-powered vehicle lockROLTRA SPA·Filed 1987·Granted Oct 10, 1989·26 cites·7 claims
- 0950US4768257AVehicle windshield wiperROLTRA SPA·Filed 1987·Granted Sep 6, 1988·13 cites·2 claims
- 1049US4597305AScrew-nut screw coupling with ball circulation and a method for its assemblyROLTRA SPA·Filed 1984·Granted Jul 1, 1986·10 cites·6 claims
- 1144US4801812ASystem for controlling vehicle power window regulatorsROLTRA SPA·Filed 1987·Granted Jan 31, 1989·13 cites·7 claims
- 1244US4138902AScrew-nut screw transmission coupling with ball circulationROLTRA SPA·Filed 1977·Granted Feb 13, 1979·7 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when ROLTRA SPA files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →