John P. Cunningham
23Patents
9h-index
15Co-inventors
72Inventor score
Filing activity: May 29, 1980 → Jan 29, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5356635A | Carbohydrate glass matrix for the sustained release of a therapeutic agent | Human Necessities | 82 | Expired |
| US5927745A | Foldable utility cart | Performing Operations; Transporting | 46 | Expired |
| USD344601S | Lintel beam | General | 39 | Expired |
| USD406151S | Compact loader backhoe | General | 27 | Expired |
| USD401945S | Tractor grill | General | 25 | Expired |
| US7565941B2 | Motorized vehicle | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US6474906B1 | Single roller concrete finishing machine | Fixed Constructions | 13 | Expired |
| US4946128A | Homeostatic lifting and shock-absorbing support system | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| USD502296S1 | Enclosure for a sweeper vehicle | General | 10 | Expired |
| US4398696A | Butterfly valve | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4281818A | Replaceable adjustable butterfly valve seat | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7184978B1 | Methods and systems for leasing equipment | Physics | 7 | Expired |
| USD630268S1 | Remote controlled vehicle | General | 7 | Expired |
| USD447152S | Single roller concrete finishing machine | General | 7 | Expired |
| USD650449S1 | Remote controlled vehicle | General | 6 | Expired |
| USD490579S1 | Enclosure for sweeper vehicle | General | 6 | Expired |
| US8377480B2 | Granular sustained release preparation and production thereof | Human Necessities | 5 | Active |
| US7790201B2 | Granular sustained release preparation and production thereof | Human Necessities | 5 | Expired |
| US6129480A | Bi-directional concrete finishing machine | Fixed Constructions | 4 | Expired |
| USD460225S1 | Four-point roll bar assembly and tandem front wheel assembly for a street sweeper | General | 3 | Expired |
| USD425082S | Four roller concrete finishing machine | General | 2 | Expired |
| US11181278B2 | Gas collapsible cooking stove | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9061626B2 | Lifting system for lifting a person into a vehicle | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.