Michael D. Nunn
32Patents
10h-index
31Co-inventors
75Inventor score
Filing activity: Jun 4, 1993 → Nov 1, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD498795S1 | Front bezel of a document validator | General | 50 | Expired |
| US5449058A | Coin testing device | Physics | 50 | Expired |
| USD506509S1 | Front bezel of a document validator | General | 45 | Expired |
| USD477902S1 | Currency acceptor | General | 19 | Expired |
| USD483057S1 | Currency acceptor system | General | 19 | Expired |
| US6712352B2 | Lockable removable cassette | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| USD482056S1 | Currency cassette | General | 15 | Expired |
| USD544027S1 | Chassis for a currency acceptor system | General | 14 | Expired |
| USD490101S1 | Currency acceptor system | General | 12 | Expired |
| US6932372B2 | Detachable gooseneck trailer hitch | Performing Operations; Transporting | 11 | Expired |
| USD490839S1 | Currency acceptor system | General | 10 | Expired |
| USD617370S1 | Front panel of a banknote handler | General | 10 | Expired |
| US6648221B2 | Polarizer based detector | Physics | 9 | Expired |
| US7481308B2 | Lockable removable cassette | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6767172B2 | Low loader trailer | Performing Operations; Transporting | 9 | Expired |
| US7789214B2 | Stacker mechanisms and cassettes for banknotes and the like | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5485906A | Coin validators | Physics | 7 | Expired |
| USD609739S1 | Front panel of a money store | General | 6 | Expired |
| USD644682S1 | Front panel of a banknote handler | General | 5 | Expired |
| US8695977B2 | Apparatus and method for triple-gate diverter | Performing Operations; Transporting | 4 | Active |
| US7771254B2 | Apparatus for the production of meat products | Human Necessities | 4 | Active |
| USD643871S1 | Front panel of a banknote handler | General | 3 | Expired |
| US8616360B2 | Lockable removable cassette | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7878318B2 | Cassette for storing bills and the like | Physics | 3 | Active |
| US8393612B2 | Removable currency storage unit with content access monitoring | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.