Mark Spencer
21Patents
13h-index
15Co-inventors
78Inventor score
Filing activity: Feb 22, 1991 → Apr 11, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD549050S1 | Bowl and lid | General | 107 | Expired |
| US5979687A | High-strength container with interior button latch | Performing Operations; Transporting | 94 | Expired |
| USD427902S | Food container | General | 77 | Expired |
| US6257401A | Vented container with handles and embossment | Performing Operations; Transporting | 65 | Expired |
| USD386075S | Food tray | General | 62 | Expired |
| USD388699S | Food tray | General | 55 | Expired |
| US6349847B1 | Vented container with handles and embossment | Performing Operations; Transporting | 27 | Expired |
| USD387986S | Lid for a food container | General | 24 | Expired |
| USD409910S | Cover for a food container | General | 23 | Expired |
| US5148126A | Capacitance sensor circuit and method for measuring capacitance and small changes in capacitance | Electricity | 23 | Expired |
| USD409909S | Bottom for a food container | General | 23 | Expired |
| USD388703S | Lid for a food container | General | 20 | Expired |
| USD427525S | Food container | General | 16 | Expired |
| US5198764A | Position detector apparatus and method utilizing a transient voltage waveform processor | Physics | 13 | Expired |
| USD419375S | Wall for container | General | 12 | Expired |
| USD508819S1 | Cover for a container | General | 11 | Expired |
| US5136262A | Oscillator circuit and method for measuring capacitance and small changes in capacitance | Electricity | 10 | Expired |
| USD443205S | Bottom for a container | General | 6 | Expired |
| US11340096B2 | Grease interceptor level analyzer | Fixed Constructions | 1 | Active |
| US12277813B1 | Systems and methods for monitoring a condition of an engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11774391B2 | Grease interceptor level analyzer | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.