Sundstrand Data Control, Inc.
184Patents
0Active
184Granted
44Portfolio score
Filing activity: Jun 15, 1973 → May 17, 1993
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4642775A | Airborne flight planning and information system | Physics | 282 | Expired |
| US4646244A | Terrain advisory system | Physics | 183 | Expired |
| US4729102A | Aircraft data acquisition and recording system | Physics | 158 | Expired |
| US4082432A | Head-up visual display system using on-axis optics with image window at the focal plane of the collimating mirror | Physics | 153 | Expired |
| US4510802A | Angular rate sensor utilizing two vibrating accelerometers secured to a parallelogram linkage | Physics | 134 | Expired |
| US4647967A | Head-up display independent test site | Physics | 127 | Expired |
| US4590801A | Apparatus for measuring inertial specific force and angular rate of a moving body | Physics | 121 | Expired |
| US4644494A | Solid state memory for aircraft flight data recorder systems | Physics | 118 | Expired |
| US4656585A | Aircraft flight data recorder data acquisition system | Physics | 95 | Expired |
| US4944401A | Crash survivable enclosure for flight recorder | Emerging Cross-Sectional Technologies | 77 | Expired |
| US4675823A | Ground proximity warning system geographic area determination | Physics | 73 | Expired |
| US4914436A | Ground proximity approach warning system without landing flap input | Physics | 71 | Expired |
| US4567483A | Position based ground proximity warning system for aircraft | Physics | 71 | Expired |
| US4434654A | Borehole orientation detection system employing polarized radiation | Physics | 67 | Expired |
| US4694119A | Heat shielded memory unit for an aircraft flight data recorder | Electricity | 66 | Expired |
| US4901586A | Electrostatically driven dual vibrating beam force transducer | Emerging Cross-Sectional Technologies | 63 | Expired |
| US4866450A | Advanced instrument landing system | Physics | 63 | Expired |
| US4912990A | Magnetically driven vibrating beam force transducer | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5031987A | Fiber optic thermal switch utilizing frustrated total internal reflection readout | Physics | 52 | Expired |
| US3946358A | Aircraft ground proximity warning instrument | Physics | 52 | Expired |
| US3947808A | Excessive descent rate warning system for aircraft | Physics | 51 | Expired |
| US5005413A | Accelerometer with coplanar push-pull force transducers | Physics | 50 | Expired |
| US4060793A | Excessive sink rate warning system for aircraft | Physics | 50 | Expired |
| US4821572A | Multi axis angular rate sensor having a single dither axis | Physics | 50 | Expired |
| US4312042A | Weight, balance, and tire pressure detection systems | Physics | 50 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.