Assignee
SFIM
FR20 patents
Top patents by PatentIndex Score
US4669809AJun 2, 1987
Optical aiming assembly, for designating and for tracking a target
SFIM25 citations88
US4173414ANov 6, 1979
Method and apparatus for correcting the aiming of an optical illuminator on a target
SFIM31 citations85
US4644405AFeb 17, 1987
Method and apparatus for scanning a window in the image zone of a charge transfer device of the frame transfer type
SFIM24 citations78
US5204605AApr 20, 1993
Position-controlled actuator
SFIM20 citations77
US4608874ASep 2, 1986
Gyroscope apparatus rotating casing for a rotor
SFIM9 citations73
US4587860AMay 13, 1986
Gyroscope apparatus, in particular a flexibly suspended and electrostatically supported gyro accelerometer
SFIM14 citations73
US4158504AJun 19, 1979
Optical sighting devices
SFIM29 citations72
US4546292AOct 8, 1985
Electronic circuit for constant charge control of an electrostatic motor, in particular for an accelerometer or a rate gyro
SFIM17 citations69
US5184054AFeb 2, 1993
Friction actuator
SFIM10 citations68
US4848810AJul 18, 1989
Automatic or manual opening device for the door of a safety equipment box
SFIM14 citations68
US4718572AJan 12, 1988
Device for half-opening the door of a box containing safety equipment, such as oxygen masks
SFIM16 citations68
US4970651ANov 13, 1990
Autonomous kinematic measurement system for helicopters
SFIM11 citations65
US4870366ASep 26, 1989
Signal generator with programmable variable frequency
SFIM8 citations65
US4794793AJan 3, 1989
Method and apparatus for measuring the airspeed of a helicopter at low speed
SFIM15 citations65
US4644397AFeb 17, 1987
Method of processing a video image to track a bright spot and to protect said tracking from interference from other bright spots
SFIM10 citations65
US4483587ANov 20, 1984
Sighting and aiming arrangement for use during day or night
SFIM8 citations62
US4842398AJun 27, 1989
Ultralight-weight mirror and method of manufacturing it
SFIM17 citations60
US4823786AApr 25, 1989
Breathing equipment for providing protection against drowning, in particular for the driver of a motorized water vessel
SFIM4 citations59
US4259871AApr 7, 1981
Gyroscopes
SFIM5 citations50
US4372160AFeb 8, 1983
Spherical indicators for aircraft
SFIM0 citations32