Litton Systems, Inc.
1,263Patents
9Active
1,263Granted
48Portfolio score
Filing activity: Sep 20, 1971 → Jul 27, 2007 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5541654A | Focal plane array imaging device with random access architecture | Electricity | 179 | Expired |
| US6332815A | Clip ring for an electrical connector | Electricity | 162 | Expired |
| US6843657B2 | High speed, high density interconnect system for differential and single-ended transmission applications | Emerging Cross-Sectional Technologies | 148 | Expired |
| US4326769A | Rotary coaxial assembly | Electricity | 139 | Expired |
| US5452004A | Focal plane array imaging device with random access architecture | Electricity | 135 | Expired |
| US4679434A | Integrated force balanced accelerometer | Emerging Cross-Sectional Technologies | 130 | Expired |
| US5071453A | Oxygen concentrator with pressure booster and oxygen concentration monitoring | Human Necessities | 123 | Expired |
| US5319434A | Laser rangefinder apparatus with fiber optic interface | Physics | 122 | Expired |
| US4166406A | Self-aligning pitch and azimuth reference unit | Physics | 121 | Expired |
| US6094607A | 3D AIME.TM. aircraft navigation | Physics | 120 | Expired |
| US5424827A | Optical system and method for eliminating overlap of diffraction spectra | Physics | 118 | Expired |
| US6129527A | Electrically operated linear motor with integrated flexure spring and circuit for use in reciprocating compressor | Electricity | 113 | Expired |
| US6417802B1 | Integrated inertial/GPS navigation system | Physics | 112 | Expired |
| US5745226A | Passive optical velocity measurement device and method | Physics | 110 | Expired |
| US5281811A | Digital wavelength division multiplex optical transducer having an improved decoder | Physics | 106 | Expired |
| US5956122A | Iris recognition apparatus and method | Physics | 105 | Expired |
| US5858062A | Oxygen concentrator | Mechanical Engineering; Lighting; Heating | 105 | Expired |
| US5506730A | Flip-up helmet mount for night vision goggle | Physics | 104 | Expired |
| US4398791A | Single channel optical slip ring | Physics | 103 | Expired |
| US5973315A | Multi-functional day/night observation, ranging, and sighting device with active optical target acquisition and method of its operation | Electricity | 100 | Expired |
| US4744248A | Vibrating accelerometer-multisensor | Physics | 99 | Expired |
| US5543804A | Navagation apparatus with improved attitude determination | Physics | 96 | Expired |
| US4277726A | Solid-state ballast for rapid-start type fluorescent lamps | Emerging Cross-Sectional Technologies | 95 | Expired |
| US5363342A | High performance extended fiber optic hydrophone | Electricity | 93 | Expired |
| US5272514A | Modular day/night weapon aiming system | Mechanical Engineering; Lighting; Heating | 92 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.