Laserplane Corporation
7Patents
0Active
7Granted
27Portfolio score
Filing activity: Mar 12, 1975 → Sep 15, 1977
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3953145A | Laser beam control system for earthworking or similar machines | Fixed Constructions | 47 | Expired |
| US4129224A | Automatic control of backhoe digging depth | Fixed Constructions | 41 | Expired |
| US4050171A | Depth control for endless chain type trencher | Fixed Constructions | 38 | Expired |
| US3997071A | Method and apparatus for indicating effective digging depth of a backhoe | Fixed Constructions | 37 | Expired |
| US4034490A | Automatic depth control for endless chain type trencher | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4081919A | Backhoe bucket | Fixed Constructions | 22 | Expired |
| US4028822A | Manually operable depth control for trenchers | Fixed Constructions | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.