Michael Stephan
24Patents
6h-index
18Co-inventors
66Inventor score
Filing activity: Nov 20, 1978 → Jun 6, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7654016B2 | Snow pusher | Fixed Constructions | 20 | Active |
| US4345876A | Rotor structure for a rotary wing aircraft | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7941947B2 | Snow pusher | Fixed Constructions | 12 | Active |
| US4432696A | Rotor structure for a rotary wing aircraft | Performing Operations; Transporting | 11 | Expired |
| US8915717B2 | Impeller wheel for a ventilator | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US8776406B2 | Reversible wing plow and method of rotation | Fixed Constructions | 7 | Active |
| US7788829B2 | Snow pusher | Fixed Constructions | 6 | Active |
| US10249987B2 | Electronic module for an I/O modular system | Electricity | 4 | Active |
| US10197070B2 | Diffusor, ventilator having such a diffusor, and device having such ventilators | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US4299539A | Four-blade rotor, especially for helicopters | Performing Operations; Transporting | 4 | Expired |
| US4251188A | Four-blade rotor, especially for helicopters | Performing Operations; Transporting | 3 | Expired |
| US4452569A | Rotor having a hingeless and bearingless blade connection | Performing Operations; Transporting | 3 | Expired |
| US10865533B2 | Flexible snowplow cutting edge | Fixed Constructions | 2 | Active |
| US11015720B2 | Closed-loop control valve module | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10889949B2 | Flexible snowplow cutting edge | Fixed Constructions | 1 | Active |
| US4243359A | Rotor structure, especially for hingeless rotary wing aircraft | Performing Operations; Transporting | 1 | Expired |
| US11842389B2 | Real time data allocation | Physics | 1 | Active |
| US11131075B2 | Universal skid-steer and 3-point hitch adapter | Human Necessities | 0 | Active |
| US12180674B2 | Land plane attachment with mechanical ripper | Fixed Constructions | 0 | Active |
| US12307761B2 | Scene-adaptive radar | Physics | 0 | Active |
| US12152357B2 | Flexible snowplow cutting edge | Fixed Constructions | 0 | Active |
| US11719787B2 | Radar-based target set generation | Physics | 0 | Active |
| US11472331B2 | Laser light safety guide | Performing Operations; Transporting | 0 | Active |
| US11379912B2 | Real time data allocation | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.