Laser Alignment, Inc.
25Patents
0Active
25Granted
34Portfolio score
Filing activity: May 6, 1974 → Nov 22, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4829418A | Apparatus and method for controlling a hydraulic excavator | Fixed Constructions | 59 | Expired |
| US5243398A | Surveying instrument including low power light plane generator | Physics | 48 | Expired |
| US5689330A | Laser plane generator having self-calibrating levelling system | Physics | 47 | Expired |
| US3936197A | Self-leveling laser assembly | Physics | 46 | Expired |
| US4945221A | Apparatus and method for controlling a hydraulic excavator | Fixed Constructions | 45 | Expired |
| US5572809A | Control for hydraulically operated construction machine having multiple tandem articulated members | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4866641A | Apparatus and method for controlling a hydraulic excavator | Fixed Constructions | 40 | Expired |
| US5327345A | Position control system for a construction implement such as a road grader | Physics | 37 | Expired |
| US4805086A | Apparatus and method for controlling a hydraulic excavator | Fixed Constructions | 37 | Expired |
| US4884939A | Self-contained laser-activated depth sensor for excavator | Fixed Constructions | 28 | Expired |
| US6195901A | Laser beam projector power and communication system | Physics | 28 | Expired |
| US5953838A | Control for hydraulically operated construction machine having multiple tandem articulated members | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5287365A | Compact laser apparatus | Physics | 24 | Expired |
| US5559725A | Automatic depth control for trencher | Fixed Constructions | 23 | Expired |
| US6314650A | Laser system for generating a reference plane | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5621531A | Self-aligning sewer pipe laser | Physics | 20 | Expired |
| US5430651A | Position control system for a construction implement such as a road grader | Physics | 20 | Expired |
| US6364028B1 | Control and method for positioning a tool of a construction apparatus | Physics | 19 | Expired |
| US6152238A | Control and method for positioning a tool of a construction apparatus | Physics | 19 | Expired |
| US5742069A | Digitally filtered laser receiver | Physics | 18 | Expired |
| US4293218A | Reference light beam projector | Physics | 17 | Expired |
| US5953108A | Laser beam projector power and communication system | Physics | 11 | Expired |
| US5711022A | Starting position control for demolition apparatus | Fixed Constructions | 10 | Expired |
| USD348227S | Laser beacon | General | 9 | Expired |
| US6622392B1 | Target with diffractive elements for use with laser beam generating devices | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.