Daniel E. Norton
11Patents
8h-index
11Co-inventors
69Inventor score
Filing activity: Aug 26, 1983 → Jun 21, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4694591A | Toe off athletic shoe | Human Necessities | 166 | Expired |
| US4559724A | Track shoe with a improved sole | Human Necessities | 153 | Expired |
| US7401422B1 | Plate for running shoe | Human Necessities | 98 | Expired |
| US4538366A | Athletic shoe with ridged outsole | Human Necessities | 80 | Expired |
| US4934072A | Fluid dynamic shoe | Human Necessities | 66 | Expired |
| US7464428B2 | Sole elements of varying density and methods of manufacture | Performing Operations; Transporting | 30 | Expired |
| US8813394B2 | Bowling shoe outsole with interchangeable pads | Human Necessities | 12 | Active |
| US6528140B1 | Shoe sole with dual energy management system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US11039656B2 | Footwear shock attenuation system | Human Necessities | 2 | Active |
| US11470917B1 | System and method for insert | Human Necessities | 1 | Active |
| USD1015710S1 | Shoe insert | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.