Francis E. LeVert
30Patents
13h-index
14Co-inventors
78Inventor score
Filing activity: Apr 4, 1977 → Sep 24, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6282814A | Spring cushioned shoe | Human Necessities | 98 | Expired |
| US6886274B2 | Spring cushioned shoe | Human Necessities | 59 | Expired |
| US6665957B2 | Fluid flow system for spring-cushioned shoe | Human Necessities | 48 | Expired |
| US7159338B2 | Fluid flow system for spring-cushioned shoe | Human Necessities | 36 | Expired |
| US7219447B2 | Spring cushioned shoe | Human Necessities | 36 | Expired |
| US4722610A | Monitor for deposition on heat transfer surfaces | Physics | 33 | Expired |
| US5299367A | Hair drying curler apparatus | Human Necessities | 27 | Expired |
| US5541464A | Thermionic generator | Electricity | 25 | Expired |
| US6865824B2 | Fluid flow system for spring-cushioned shoe | Human Necessities | 24 | Expired |
| US4277727A | Digital room light controller | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7441347B2 | Shock resistant shoe | Human Necessities | 20 | Expired |
| US8696683B2 | Apparatus for removing an object from a lumen | Human Necessities | 19 | Active |
| US6353656B1 | Radioisotope based x-ray residual stress analysis apparatus | Physics | 17 | Expired |
| US4805454A | Continuous fluid level detector | Physics | 13 | Expired |
| US5711324A | Hair drying curler apparatus | Human Necessities | 13 | Expired |
| US6442779B1 | Portable feet elevator | Human Necessities | 12 | Expired |
| US4316180A | Directional detector of changes in a local electrostatic field | Physics | 11 | Expired |
| US5443108A | Upwardly deployed privacy blind | Fixed Constructions | 10 | Expired |
| US5256878A | Self powered detector based monitor for radiographic cameras | Physics | 9 | Expired |
| US7235057B2 | Adjustable foot elevator | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4091288A | Threshold self-powered gamma detector for use as a monitor of power in a nuclear reactor | Physics | 6 | Expired |
| US6583617B2 | Barkhausen noise measurement probe with magnetoresistive sensor and cylindrical magnetic shield | Physics | 6 | Expired |
| US4136282A | Directional detector of gamma rays | Physics | 6 | Expired |
| US4259575A | Directional gamma detector | Physics | 5 | Expired |
| US4218043A | Manual automobile pusher | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.