Calvin Lam
14Patents
5h-index
21Co-inventors
66Inventor score
Filing activity: Oct 29, 1979 → Sep 6, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD403681S | Headphone | General | 19 | Expired |
| US4425764A | Micro-cryogenic system with pseudo two stage cold finger, stationary regenerative material, and pre-cooling of the working fluid | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4466289A | Capacitance manometer with digital output | Physics | 10 | Expired |
| US4294600A | Valves for cryogenic refrigerators | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7168474B2 | Decorative device comprised of modular interchangeable components | Fixed Constructions | 5 | Expired |
| US4479358A | Miniature cryogenic cooling system with split-phase dual compressor and phase-shifting device | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4385499A | Miniature cryogenic cooling system with split-phase dual compressor and phase-shifting device | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US12329396B2 | Kidney stone treatment system | Human Necessities | 2 | Active |
| US12256989B2 | Tool guiding device for kidney stone treatment apparatus | Human Necessities | 2 | Active |
| US12329399B2 | Kidney stone treatment system | Human Necessities | 2 | Active |
| USD1038416S1 | Massage ball | General | 2 | Active |
| US11298115B2 | Handle and cartridge system for medical interventions | Human Necessities | 2 | Active |
| US11801041B2 | Handle and cartridge system for medical interventions | Human Necessities | 1 | Active |
| US12167842B2 | Handle and cartridge system for medical interventions | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.