Anorad Corporation
76Patents
15Active
76Granted
42Portfolio score
Filing activity: Oct 8, 1980 → Aug 4, 2014 · 13 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5783877A | Linear motor with improved cooling | Electricity | 82 | Expired |
| US5334892A | Positioning device for planar positioning | Emerging Cross-Sectional Technologies | 79 | Expired |
| US6215206A | Rotary-linear actuator | Electricity | 67 | Expired |
| US4392642A | Workpiece positioning table with air bearing pads | Mechanical Engineering; Lighting; Heating | 62 | Expired |
| US5723917A | Flat linear motor | Electricity | 59 | Expired |
| US5965963A | Linear motor with a plurality of stages independently movable on the same path | Electricity | 52 | Expired |
| US5994798A | Closed-path linear motor | Electricity | 52 | Expired |
| US5519266A | High efficiency linear motor | Electricity | 50 | Expired |
| US7218017B1 | System and method to control a rotary-linear actuator | Electricity | 48 | Expired |
| US6719174B1 | Rotary and/or linear actuator system for controlling operation of an associated tool | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4595870A | Linear motor | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6556153B1 | System and method for improving encoder resolution | Electricity | 35 | Expired |
| US4505464A | High precision workpiece positioning table | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US6522035B1 | Forcer and associated three phase linear motor system | Electricity | 31 | Expired |
| US6005309A | Two-axis motor with high density magnetic platen | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4560911A | Positioning table and linear motor | Physics | 28 | Expired |
| US6137195A | Rotary-linear actuator | Electricity | 28 | Expired |
| US4571799A | Method for producing air bearing pads for positioning table | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4625132A | Linear motor with seal | Electricity | 24 | Expired |
| US5925943A | Modular wireless linear motor | Electricity | 24 | Expired |
| US4378709A | Friction drive for positioning table | Emerging Cross-Sectional Technologies | 23 | Expired |
| US7586217B1 | High performance motor and magnet assembly therefor | Electricity | 23 | Active |
| US5907200A | Linear encoder | Electricity | 22 | Expired |
| US6455957B1 | Encoder | Electricity | 22 | Expired |
| US6274952A | Closed-path linear motor | Electricity | 21 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.