Frank Klein
14Patents
6h-index
16Co-inventors
63Inventor score
Filing activity: Feb 18, 1975 → Oct 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD462312S1 | Carrier | General | 34 | Expired |
| US3979662A | Paralleling of inverters for low harmonics | Electricity | 30 | Expired |
| USD517135S1 | Training device | General | 23 | Expired |
| US3947748A | Fault commutation system for static inverters | Electricity | 22 | Expired |
| USD527337S1 | Roof carrier for a vehicle | General | 18 | Expired |
| USD519914S1 | Roof carrier for a vehicle | General | 17 | Expired |
| US6928774B1 | Enveloping body | Physics | 5 | Expired |
| US8597166B2 | Fitness apparatus and production method thereof | Human Necessities | 5 | Active |
| US11278976B2 | Method for the manufacture of a gear component, and gear grinding machine | Performing Operations; Transporting | 2 | Active |
| US8652621B2 | Item with at least one thermoprogrammable switching section for applications in contact with materials having high heat transfer coefficients | Emerging Cross-Sectional Technologies | 2 | Active |
| US11801618B2 | Method for producing an implant from a biocompatible silicone | Performing Operations; Transporting | 0 | Active |
| US4676382A | Hanger bars | Performing Operations; Transporting | 0 | Expired |
| US9726660B2 | Method and kit for testing various selected materials and/or surface structures for culturing cells | Physics | 0 | Active |
| US11504078B2 | Method for producing a radiation protection element, radiation protection element and radiation protection apparatus | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.