John Massa
7Patents
4h-index
14Co-inventors
54Inventor score
Filing activity: Feb 8, 1982 → Oct 14, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5968007A | Power-limit control for ultrasonic surgical instrument | Human Necessities | 403 | Expired |
| US7446644B2 | Universal hands free key and lock system | Physics | 112 | Active |
| US4473717A | Digitizing system | Physics | 16 | Expired |
| US7160516B2 | High volume ultrasonic flow cell | Performing Operations; Transporting | 7 | Expired |
| USD718848S1 | Radial heat conductor | General | 3 | Active |
| US9981337B2 | Diagnostic system and method for testing integrity of stack during ultrasonic welding | Physics | 2 | Active |
| US10052714B2 | Ultrasonic welding device with dual converters | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.