Michael R. Clark
39Patents
14h-index
42Co-inventors
81Inventor score
Filing activity: Oct 31, 1984 → Jul 24, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5095303A | Six degree of freedom graphic object controller | Electricity | 230 | Expired |
| US5491477A | Anti-rotation mechanism for direct manipulation position input controller for computer | Physics | 103 | Expired |
| US5132672A | Three degree of freedom graphic object controller | Electricity | 77 | Expired |
| US8415405B2 | Silicone (meth)acrylamide monomer, polymer, ophthalmic lens, and contact lens | Emerging Cross-Sectional Technologies | 71 | Active |
| US6016677A | Dead bolt combination lock and push-pull lock, each with integrated re-locking features, lock with auxiliary security features, and lock keypad with tamper detection and response features | Emerging Cross-Sectional Technologies | 65 | Expired |
| US4612424A | Door mounted circuit breaker operating apparatus | Electricity | 53 | Expired |
| US7367926B2 | Exercise treadmill | Emerging Cross-Sectional Technologies | 43 | Active |
| US6212923A | Lock including means for sensing position of bolt and for indicating whether or not bolt is extended from lock case | Emerging Cross-Sectional Technologies | 34 | Expired |
| USD552193S1 | Exercise device | General | 29 | Expired |
| US6936641B2 | Macromer forming catalysts | Chemistry; Metallurgy | 25 | Expired |
| US7429623B2 | Macromer forming catalysts | Chemistry; Metallurgy | 24 | Expired |
| US5647235A | Tamper-evident electronic combination lock having integral bearing/retaining member | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5632169A | Self powered electronic combination lock having comprehensive monitoring of power levels for various functions | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7458918B1 | Back support for an exercise device | Human Necessities | 15 | Active |
| USD510965S1 | Reversible pedal for an exercise apparatus | General | 13 | Expired |
| US6094952A | Dead bolt combination lock with integrated re-locking features | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6464622B2 | Exercise device and method of use | Human Necessities | 11 | Expired |
| USD642638S1 | Exercise riser | General | 11 | Expired |
| USD528614S1 | Exercise device | General | 10 | Expired |
| US5816084A | "Electronic combination lock with an arrangement for moving a locking lever both into and out of an ""engage"" position in which lock may be opened" | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6948695B1 | Molds for casting fishing lures and other products | Performing Operations; Transporting | 8 | Expired |
| US6408567B1 | Fishing lures and methods and molds for making same | Performing Operations; Transporting | 6 | Expired |
| US8541483B2 | Silicone (meth)acrylamide monomer, polymer, ophthalmic lens, and contact lens | Emerging Cross-Sectional Technologies | 5 | Active |
| USD572321S1 | Reversible foot pedal | General | 4 | Expired |
| US9745460B2 | Silicone acrylamide copolymer | Chemistry; Metallurgy | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.