Mark Frey
9Patents
7h-index
3Co-inventors
56Inventor score
Filing activity: Mar 4, 1993 → Apr 13, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5350345A | Exercise apparatus for the upper arm | Human Necessities | 38 | Expired |
| US5917296A | Optimum motor speed control system | Electricity | 20 | Expired |
| US8381358B1 | Universal handle | Human Necessities | 20 | Active |
| US6001049A | Light weight exercise apparatus | Human Necessities | 18 | Expired |
| US6261213A | Lumbar exercise and support apparatus for vehicle seat | Human Necessities | 13 | Expired |
| US9975032B2 | Concussive helmet | Human Necessities | 9 | Active |
| US6249097A | Optimum motor speed control system | Electricity | 7 | Expired |
| US6213921A | Light weight exercise apparatus | Human Necessities | 6 | Expired |
| US10327503B2 | Shoe insert | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.