Simmonds Precision Engine Systems, Inc.
20Patents
0Active
20Granted
36Portfolio score
Filing activity: Dec 15, 1975 → Jun 6, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5515681A | Commonly housed electrostatic fuel atomizer and igniter apparatus for combustors | Mechanical Engineering; Lighting; Heating | 60 | Expired |
| US5367869A | Laser ignition methods and apparatus for combustors | Mechanical Engineering; Lighting; Heating | 57 | Expired |
| US5588299A | Electrostatic fuel injector body with igniter electrodes formed in the housing | Mechanical Engineering; Lighting; Heating | 55 | Expired |
| US5673554A | Ignition methods and apparatus using microwave energy | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US5689949A | Ignition methods and apparatus using microwave energy | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US5499497A | Temperature detector and control for an igniter | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4027229A | Regulatable permanent magnet alternator | Electricity | 32 | Expired |
| US5628180A | Ignition methods and apparatus for combustors | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5212750A | Fiber optic harness having reduced weight and bulk, and method | Physics | 19 | Expired |
| US5590517A | Ignition methods and apparatus for combustors | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5473502A | Exciter with an output current multiplier | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5510952A | Ignition system using multiple gated switches with variable discharge energy levels and rates | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5246379A | Electrical connector and backshell assembly | Electricity | 15 | Expired |
| US5404089A | PWM inverter controller with wave form memory | Electricity | 11 | Expired |
| US5508618A | Coreless detector for ignition dischage current | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5530617A | Exciter circuit with oscillatory discharge and solid state switchiing device | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5468161A | Semi-permanent electrical connector and backshell assembly | Electricity | 7 | Expired |
| US5572135A | Diagnostic apparatus and methods for ignition circuits | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5488536A | Exciter circuit using gated switches | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5525644A | Potted electrical components and methods of making the same | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.