John Stanfield
23Patents
11h-index
6Co-inventors
68Inventor score
Filing activity: Sep 12, 1978 → Sep 4, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8841987B1 | Upgrade kit for an ignition key and methods | Physics | 101 | Active |
| US9442888B2 | Apparatus and methods for renting and controlling occupancy of a vehicle | Performing Operations; Transporting | 82 | Active |
| US5332105A | Portable dish rack | Human Necessities | 68 | Expired |
| USD331860S | Combined plate and beverage holder | General | 66 | Expired |
| US5096259A | Stackable folding chair and retrofit apparatus | Human Necessities | 41 | Expired |
| US5095924A | Personal toiletry case | Human Necessities | 37 | Expired |
| US4969560A | Portable dish rack | Human Necessities | 33 | Expired |
| US5967605A | Folding chair with stacking device | Human Necessities | 25 | Expired |
| US5064236A | Dish carrier | Human Necessities | 17 | Expired |
| US4940143A | Flatware case having clamping means | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5078282A | Cup rack | Human Necessities | 13 | Expired |
| US5881931A | Hanger for apparel | Emerging Cross-Sectional Technologies | 11 | Expired |
| USD316934S | Candle carrier | General | 11 | Expired |
| US4270775A | Device for sealing the place of penetration of a pipeline in the wall of a submerged structure | Fixed Constructions | 8 | Expired |
| USD406120S | Lapboard for computer mouse manipulation | General | 8 | Expired |
| USD327761S | Hand truck | General | 7 | Expired |
| US10081298B2 | Apparatus and methods for renting and controlling occupancy of a vehicle | Performing Operations; Transporting | 6 | Active |
| US4208055A | Method and device for sealing the place of penetration of a pipeline in the wall of a submerged structure | Fixed Constructions | 4 | Expired |
| US10940830B2 | Upgrade kit for an ignition key and methods | Physics | 2 | Active |
| US4838596A | Dish carrier | Human Necessities | 2 | Expired |
| US10068402B2 | Upgrade kit for an ignition key and methods | Physics | 1 | Active |
| US4786096A | Dish carrier | Human Necessities | 0 | Expired |
| USD319521S | Pallet for supporting tables | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.