Ronald Clark
15Patents
11h-index
4Co-inventors
65Inventor score
Filing activity: Nov 23, 1977 → Aug 22, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4657529A | Blood extraction and reinfusion flow control system and method | Emerging Cross-Sectional Technologies | 247 | Expired |
| US4879040A | Adaptive filter concentrate flow control system and method | Performing Operations; Transporting | 33 | Expired |
| USD652323S1 | Food and beverage container | General | 28 | Expired |
| USD600504S1 | Partitioned food tray with holder for beverage container | General | 27 | Expired |
| USD606810S1 | Plate with holder for beverage container | General | 27 | Expired |
| USD732344S1 | Single cup beverage and food container | General | 23 | Active |
| US4211999A | Converter for converting a high frequency video signal to a digital signal | Electricity | 20 | Expired |
| US5489130A | Overhead door lock | Emerging Cross-Sectional Technologies | 19 | Expired |
| USD626788S1 | Plate with holder for beverage and handles | General | 16 | Expired |
| USD623901S1 | Divided plate with holder for beverage container | General | 15 | Expired |
| USD713208S1 | Two cup tray | General | 15 | Active |
| USD706583S1 | Boat tray with two cup holders | General | 9 | Active |
| US8960480B2 | Clamshell food tray with cup-based latch | Performing Operations; Transporting | 5 | Active |
| US4729039A | Method and device for producing full tone images from a video input | Electricity | 1 | Expired |
| US9415902B2 | Clamshell food tray | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.