Henry M. Kessler
17Patents
7h-index
2Co-inventors
52Inventor score
Filing activity: Apr 28, 1999 → Mar 29, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6119864A | Storage device to accommodate batteries of varying sizes | Emerging Cross-Sectional Technologies | 26 | Expired |
| USD796749S1 | Ultrasonic cleaner | General | 19 | Active |
| USD634271S1 | Charging stand for instruments for testing the authenticity of diamonds and moissanite | General | 18 | Expired |
| US8564316B2 | Gem tester | Physics | 15 | Active |
| US8749253B2 | Gem tester | Physics | 12 | Active |
| US9395350B2 | Gem tester | Physics | 10 | Active |
| USD771881S1 | Jewelry cleaner | General | 8 | Active |
| USD643163S1 | Jewelry cleaner | General | 6 | Expired |
| USD823368S1 | Magnifying device | General | 4 | Active |
| USD810368S1 | Jewelry cleaning applicator | General | 4 | Active |
| US9134263B2 | Gem tester | Physics | 2 | Active |
| US10001466B2 | Magnifying device for jewelry and system for use of same | Physics | 1 | Active |
| US10352868B2 | Grading lamp for gemstones | Physics | 1 | Active |
| US9285357B2 | Gem tester | Physics | 1 | Active |
| USD857535S1 | Grip for a gem tester | General | 0 | Active |
| USD798172S1 | Grading lamp | General | 0 | Active |
| USD731328S1 | Desktop apparatus for testing precious metal | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.