Robert B. Evans
55Patents
18h-index
11Co-inventors
81Inventor score
Filing activity: Oct 22, 1974 → Aug 7, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4857024A | Swim fin with flexible fin member having movable tips | Human Necessities | 45 | Expired |
| US5417599A | Swim fin having multiple interchangeable components | Human Necessities | 43 | Expired |
| US5694524A | System and method for identifying conditions leading to a particular result in a multi-variant system | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4929206A | Swim fin with flexible fin member having movable tips | Human Necessities | 36 | Expired |
| US5429536A | Monofin swimming apparatus and assembly method | Human Necessities | 33 | Expired |
| US5356323A | Closed shoe swim fin | Human Necessities | 32 | Expired |
| US5527197A | Articulated attachment means for swimming fin | Human Necessities | 32 | Expired |
| US5597336A | Unique swim fin | Human Necessities | 30 | Expired |
| USD328118S | Unitary swim fin | General | 29 | Expired |
| USD396897S | Swim fin | General | 29 | Expired |
| USD340272S | Swimming fin | General | 27 | Expired |
| USD278165S | Swimfin with flexible fin member having movable tips | General | 27 | Expired |
| USD404456S | Split fin | General | 27 | Expired |
| USD327935S | Long-blade closed-shoe swim fin | General | 26 | Expired |
| USD327934S | Open-toed wide-blade swim fin | General | 22 | Expired |
| USD327933S | Closed-shoe swim fin | General | 22 | Expired |
| USD353181S | Open instep swim fin | General | 21 | Expired |
| USD423623S | Swim fin | General | 18 | Expired |
| US6098063A | Device and method for identifying causes of web breaks in a printing system on web manufacturing attributes | Physics | 16 | Expired |
| US6009421A | Device and method for decreasing web breaks in a printing system based on web tension ratios | Emerging Cross-Sectional Technologies | 14 | Expired |
| USD450365S | Swim fin having downturned tips | General | 14 | Expired |
| USD430637S | Swim fin having movable foils | General | 13 | Expired |
| US6322411A | Swim fin having articulated wing members | Human Necessities | 12 | Expired |
| US3980041A | Speedometer with speed warning indicator and method of providing the same | Performing Operations; Transporting | 12 | Expired |
| US6354894B1 | Spear-blade swim fin | Human Necessities | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.