Edward E. Hart
11Patents
6h-index
11Co-inventors
63Inventor score
Filing activity: Sep 27, 1985 → Mar 21, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5144486A | Laser beam apparatus for providing multiple reference beams | Physics | 44 | Expired |
| US5033848A | Pendulous compensator for light beam projector | Physics | 12 | Expired |
| US4629321A | Grade setting and calibration arrangement for laser beam projection device | Physics | 10 | Expired |
| US6292258A | Laser receiver with out-of-plumb indication and compensation | Physics | 9 | Expired |
| US4717266A | Low friction ferrofluid bearing arrangement | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5033847A | Angular positioning and calibration of projected reference light planes | Physics | 6 | Expired |
| US5166831A | Light beam deflecting apparatus including a fluid | Physics | 6 | Expired |
| US4684836A | Magnetic speed reduction device | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6034613A | Shock and vibration sensor | Physics | 1 | Expired |
| US4654856A | Laser beam projection device and arrangement for mounting a laser plasma tube therein | Electricity | 1 | Expired |
| USD1094125S1 | Laser alignment tool | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.