John R. Flint
22Patents
8h-index
24Co-inventors
71Inventor score
Filing activity: Sep 30, 1975 → Aug 6, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4174890A | Electronically controlled microfilm photographic image utilization device | Physics | 29 | Expired |
| US4200224A | Method and system for isolating faults in a microprocessor and a machine controlled by the microprocessor | Physics | 23 | Expired |
| US4174891A | Microfilm reader/printer | Physics | 19 | Expired |
| US4110020A | Electronically controlled microfilm photographic image utilization device | Physics | 16 | Expired |
| US4459475A | Automatic calibration for D.C. transducers | Electricity | 15 | Expired |
| US4148579A | Automatic microfilm camera | Physics | 14 | Expired |
| US4121138A | Servo system | Performing Operations; Transporting | 8 | Expired |
| US4101808A | Lamp control circuit | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4066872A | Information retrieval system with expanded logic capability | Physics | 8 | Expired |
| US4066349A | Information retrieval system having ramp motor control | Physics | 7 | Expired |
| US4363457A | Web tensioning system | Performing Operations; Transporting | 7 | Expired |
| US4093376A | Automatic exposure control | Physics | 6 | Expired |
| US4124290A | System for interfacing an automatic processing machine with a stack of documents which it is processing | Physics | 6 | Expired |
| US4254364A | Lamp regulator circuit for rotary camera | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4241992A | Recorded image detection system for updatable microfilm | Physics | 4 | Expired |
| US4027154A | Electronic document detector circuitry with feedback control | Physics | 4 | Expired |
| US4074853A | Dual function probe | Physics | 4 | Expired |
| US4146824A | Low speed servo control | Physics | 3 | Expired |
| US4448364A | Reversible ribbon drive | Physics | 2 | Expired |
| US4101763A | Control system for an image detector | Electricity | 2 | Expired |
| US4699504A | Control system for microimage recorders | Physics | 1 | Expired |
| US4209238A | Microfilm transport with shuttered lens and glass flat control | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.