Aerotech, Inc.
28Patents
5Active
28Granted
38Portfolio score
Filing activity: Aug 28, 1981 → Jul 10, 2018 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6386828B1 | Ventilation fan | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4554512A | Switching amplifier with MOSFET driver circuit | Electricity | 46 | Expired |
| US7038334B2 | High precision laser machining apparatus | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4884016A | Closed loop torque angle control of synchronous motor | Electricity | 27 | Expired |
| US5579636A | Pyrotechnic valve, igniter and combustion preheater for hybrid rocket motors | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5134404A | Quadrature error correction | Electricity | 23 | Expired |
| US4652806A | Micro-stepping translator controller | Electricity | 22 | Expired |
| US6664664B2 | Printed circuit linear motor | Electricity | 21 | Expired |
| US5731641A | Linear motor driven vertical lift stage | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5018862A | Successive fringe detection position interferometry | Physics | 16 | Expired |
| US6356219B1 | Calibrated encoder multiplier | Electricity | 15 | Expired |
| US5123355A | Rocket ignition assembly and means and methods for making and using same | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4819246A | Single frequency adapter | Electricity | 10 | Expired |
| US4426763A | Tool changer | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6442851B1 | Direct drive tilt and goniometer stage | Physics | 9 | Expired |
| US6700249B1 | Direct drive vertical lift and rotation stage | Electricity | 8 | Expired |
| US5054397A | Parachute ejection and recovery system for rockets | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5004186A | Finlock alignment mechanism for rockets | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6486574B2 | Small footprint vertical lift and rotation stage | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7084533B2 | Dual-function three-axis positioning system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7105956B2 | High precision z-theta stage | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6588081B2 | Small footprint direct drive mechanical positioning stage | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7420298B2 | Water cooled high precision z-theta stage | Emerging Cross-Sectional Technologies | 4 | Active |
| US8426768B2 | Position-based laser triggering for scanner | Performing Operations; Transporting | 4 | Active |
| US6501403B2 | Calibrated encoder multiplier | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.