Assignee
SFIM
FR·20 granted patents·287 citations·filing 1976–1991
Top patents by PatentIndex Score
20 records- 0168US4173414AMethod and apparatus for correcting the aiming of an optical illuminator on a targetSFIM·Filed 1977·Granted Nov 6, 1979·31 cites·15 claims
- 0266US4158504AOptical sighting devicesSFIM·Filed 1976·Granted Jun 19, 1979·29 cites·10 claims
- 0365US4644405AMethod and apparatus for scanning a window in the image zone of a charge transfer device of the frame transfer typeSFIM·Filed 1985·Granted Feb 17, 1987·24 cites·12 claims
- 0463US4587860AGyroscope apparatus, in particular a flexibly suspended and electrostatically supported gyro accelerometerSFIM·Filed 1984·Granted May 13, 1986·14 cites·10 claims
- 0562US4669809AOptical aiming assembly, for designating and for tracking a targetSFIM·Filed 1985·Granted Jun 2, 1987·25 cites·3 claims
- 0661US4546292AElectronic circuit for constant charge control of an electrostatic motor, in particular for an accelerometer or a rate gyroSFIM·Filed 1984·Granted Oct 8, 1985·17 cites·6 claims
- 0754US4794793AMethod and apparatus for measuring the airspeed of a helicopter at low speedSFIM·Filed 1988·Granted Jan 3, 1989·15 cites·14 claims
- 0848US4608874AGyroscope apparatus rotating casing for a rotorSFIM·Filed 1984·Granted Sep 2, 1986·9 cites·6 claims
- 0946US4848810AAutomatic or manual opening device for the door of a safety equipment boxSFIM·Filed 1988·Granted Jul 18, 1989·14 cites·9 claims
- 1045US4970651AAutonomous kinematic measurement system for helicoptersSFIM·Filed 1988·Granted Nov 13, 1990·11 cites·17 claims
- 1143US5204605APosition-controlled actuatorSFIM·Filed 1991·Granted Apr 20, 1993·20 cites·5 claims
- 1243US4842398AUltralight-weight mirror and method of manufacturing itSFIM·Filed 1987·Granted Jun 27, 1989·17 cites·29 claims
- 1343US4718572ADevice for half-opening the door of a box containing safety equipment, such as oxygen masksSFIM·Filed 1986·Granted Jan 12, 1988·16 cites·16 claims
- 1437US4644397AMethod of processing a video image to track a bright spot and to protect said tracking from interference from other bright spotsSFIM·Filed 1985·Granted Feb 17, 1987·10 cites·10 claims
- 1535US4870366ASignal generator with programmable variable frequencySFIM·Filed 1987·Granted Sep 26, 1989·8 cites·14 claims
- 1632US4483587ASighting and aiming arrangement for use during day or nightSFIM·Filed 1982·Granted Nov 20, 1984·8 cites·10 claims
- 1730US5184054AFriction actuatorSFIM·Filed 1991·Granted Feb 2, 1993·10 cites·5 claims
- 1829US4823786ABreathing equipment for providing protection against drowning, in particular for the driver of a motorized water vesselSFIM·Filed 1988·Granted Apr 25, 1989·4 cites·4 claims
- 1927US4259871AGyroscopesSFIM·Filed 1977·Granted Apr 7, 1981·5 cites·2 claims
- 2011US4372160ASpherical indicators for aircraftSFIM·Filed 1980·Granted Feb 8, 1983·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when SFIM 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 →