Simmonds Precision Products, Inc.
387Patents
199Active
387Granted
52Portfolio score
Filing activity: Jun 26, 1972 → Apr 20, 2023 · 24 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5440300A | Smart structure with non-contact power and data interface | Physics | 130 | Expired |
| US5520976A | Composite enclosure for electronic hardware | Emerging Cross-Sectional Technologies | 87 | Expired |
| US6115654A | Universal sensor interface system and method | Physics | 83 | Expired |
| US4983034A | Composite integrity monitoring | Physics | 80 | Expired |
| US6157894A | Liquid gauging using sensor fusion and data fusion | Physics | 76 | Expired |
| US3932813A | Eddy current sensor | Physics | 75 | Expired |
| US6651012B1 | Method and apparatus for trending and predicting the health of a component | Physics | 71 | Expired |
| US4815323A | Ultrasonic fuel quantity gauging system | Physics | 71 | Expired |
| US4212064A | Performance advisory system | Physics | 61 | Expired |
| US7505604B2 | Method for detection and recognition of fog presence within an aircraft compartment using video images | Physics | 61 | Active |
| US8602362B2 | System and method for scavenging ullage from center wing tanks in an airplane | Performing Operations; Transporting | 60 | Active |
| US5534708A | Optical fuel/air/water sensor and detector circuit | Emerging Cross-Sectional Technologies | 57 | Expired |
| US7280696B2 | Video detection/verification system | Physics | 43 | Expired |
| US4820916A | Optically powered sensor system | Electricity | 43 | Expired |
| US7136794B1 | Method and apparatus for estimating values for condition indicators | Physics | 43 | Expired |
| US4963729A | Optically powered sensor system with improved signal conditioning | Physics | 42 | Expired |
| US5723870A | Fluid gauging apparatus using magnetostrictive sensor and stick gauge | Physics | 41 | Expired |
| US7729510B2 | Method for distinguishing a smoke condition from a dust condition using video images | Physics | 41 | Active |
| US5602540A | Fluid gauging apparatus with inductive interrogation | Physics | 40 | Expired |
| US4400022A | Tube connector | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4044353A | Microwave level gaging system | Physics | 38 | Expired |
| US5703576A | Embeddable DC power supply for smart structure sensors | Physics | 36 | Expired |
| US6141194A | Aircraft fuel tank protective barrier and method | Performing Operations; Transporting | 35 | Expired |
| US5572178A | Rotary transformer | Performing Operations; Transporting | 35 | Expired |
| US4900921A | System and method for opto-acoustic liquid quantity measurement and transducer therefor | Physics | 35 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.