John Wallace
22Patents
7h-index
30Co-inventors
69Inventor score
Filing activity: Nov 7, 1979 → Sep 14, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6269381A | Method and apparatus for backing up data before updating the data and for restoring from the backups | Emerging Cross-Sectional Technologies | 203 | Expired |
| US6141773A | Method and apparatus for undoing changes to computer memory | Physics | 77 | Expired |
| US7290398B2 | Refrigeration control system | Mechanical Engineering; Lighting; Heating | 62 | Expired |
| US4416265A | Solar collector | Emerging Cross-Sectional Technologies | 27 | Expired |
| US9625183B2 | System and method for control of a transcritical refrigeration system | Mechanical Engineering; Lighting; Heating | 18 | Active |
| US4282455A | Mercury dispenser for arc discharge lamps | Electricity | 8 | Expired |
| US6360553B1 | Method and apparatus for refrigeration system control having electronic evaporator pressure regulators | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6449968B1 | Method and apparatus for refrigeration system control having electronic evaporator pressure regulators | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7134294B2 | Method and apparatus for refrigeration system control having electronic evaporator pressure regulators | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6983618B2 | Method and apparatus for refrigeration system control having electronic evaporator pressure regulators | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6578374B2 | Method and apparatus for refrigeration system control having electronic evaporator pressure regulators | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6601398B2 | Method and apparatus for refrigeration system control having electronic evaporator pressure regulators | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US10067482B2 | Menu and firmware management for equipment | Emerging Cross-Sectional Technologies | 3 | Active |
| US10371406B2 | Maintenance and diagnostics for refrigeration systems | Physics | 3 | Active |
| US11009250B2 | Maintenance and diagnostics for refrigeration systems | Physics | 1 | Active |
| US9494953B2 | Control system and method for multi-stage heating and cooling system with minimum on time and off time | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11085683B2 | Systems and methods for optical detection of refrigeration system abnormalities | Physics | 0 | Active |
| US10240836B2 | Energy management for refrigeration systems | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10775085B2 | Energy management for refrigeration systems | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10345038B2 | Dynamic coefficient of performance calculation for refrigeration systems | Emerging Cross-Sectional Technologies | 0 | Active |
| US9513643B2 | Building device cluster data display with thumbnail graphical display interface | Physics | 0 | Active |
| US12215904B2 | Energy management for refrigeration systems | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.