John M. Johnson
15Patents
6h-index
5Co-inventors
59Inventor score
Filing activity: Nov 29, 1983 → Sep 4, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8356754B2 | Portable handheld device for wireless order entry and real time payment authorization and related methods | Physics | 62 | Active |
| US8011587B2 | Portable handheld device for wireless order entry and real time payment authorization and related methods | Physics | 51 | Active |
| US4596119A | Compressed air propulsion system for a vehicle | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US5116067A | Convertible chair support for disabled persons | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7721969B2 | Portable handheld device for wireless order entry and real time payment authorization and related methods | Physics | 17 | Active |
| US4954965A | Enhanced frame utilization for CSMA/CD communication protocol | Electricity | 15 | Expired |
| US8971083B1 | Recreational vehicle transformer | Electricity | 5 | Active |
| US6499237B2 | Snow blower | Fixed Constructions | 5 | Expired |
| US8490878B2 | Portable handheld device for wireless order entry and real time payment authorization and related methods | Physics | 5 | Active |
| US9531287B1 | Recreational vehicle transformer | Electricity | 3 | Active |
| US10619621B2 | Energy chain | Emerging Cross-Sectional Technologies | 0 | Active |
| US10847259B2 | System and methods for managing health-related information for a population | Human Necessities | 0 | Active |
| US10413833B2 | System and methods for managing the participation of athletes in organized sports | Physics | 0 | Active |
| US10579978B2 | Portable handheld device for wireless order entry and real time payment authorization and related methods | Physics | 0 | Active |
| US10592881B2 | Portable handheld device for wireless order entry and real time payment authorization and related methods | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.