Leonard Holtz
13Patents
9h-index
5Co-inventors
65Inventor score
Filing activity: Jul 25, 1974 → Mar 24, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5097810A | Allergy testing apparatus and method | Human Necessities | 189 | Expired |
| US4944736A | Adaptor cap for centering, sealing, and holding a syringe to a bottle | Emerging Cross-Sectional Technologies | 141 | Expired |
| US5139029A | Allergy testing apparatus and method | Human Necessities | 105 | Expired |
| US8454485B1 | Weighted exercise device providing multiple grips | Human Necessities | 26 | Active |
| US8382647B1 | Weighted exercise device providing two grips | Human Necessities | 26 | Active |
| US4345345A | Head support | Human Necessities | 23 | Expired |
| US4984942A | Tap wrench | Emerging Cross-Sectional Technologies | 14 | Expired |
| US3957242A | Rotatable hanging device | Human Necessities | 10 | Expired |
| US4470483A | Bicycle brake | Emerging Cross-Sectional Technologies | 10 | Expired |
| US9011300B2 | Weighted exercise device providing multiple grips | Human Necessities | 9 | Active |
| US4345346A | Head support | Human Necessities | 9 | Expired |
| US4368912A | Slide holder and transfer device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US3985327A | Rotatable hanging device with openable suspension member | Human Necessities | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.