Spectra Precision, Inc.
21Patents
0Active
21Granted
33Portfolio score
Filing activity: Dec 27, 1996 → Dec 16, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6112145A | Method and apparatus for controlling the spatial orientation of the blade on an earthmoving machine | Fixed Constructions | 74 | Expired |
| US5848485A | System for determining the position of a tool mounted on pivotable arm using a light source and reflectors | Fixed Constructions | 73 | Expired |
| US5852493A | Self-aligning laser transmitter having a dual slope grade mechanism | Physics | 44 | Expired |
| US5805362A | Focusing mechanism using a thin diaphragm | Physics | 28 | Expired |
| US6055046A | System and method for aligning a laser transmitter | Physics | 23 | Expired |
| US5994688A | Position leveling sensor for a laser transmitter | Physics | 22 | Expired |
| US5886776A | Laser beam receiver circuit | Physics | 16 | Expired |
| US6384913B1 | Active compensator damping in laser transmitters | Physics | 13 | Expired |
| US6088623A | System and method for leveling an apparatus | Physics | 11 | Expired |
| US6292258A | Laser receiver with out-of-plumb indication and compensation | Physics | 9 | Expired |
| US5867522A | Autofocusing system for a laser transmitter | Physics | 9 | Expired |
| US5844679A | System for adjusting the orientation of a plane of laser light | Physics | 8 | Expired |
| US6043874A | System and method for calibrating a laser transmitter | Physics | 8 | Expired |
| US6099235A | Arrangement for determining the relative angular orientation between a first machine element and a second machine element | Fixed Constructions | 7 | Expired |
| US5977534A | Laser transmitter incorporating target dither | Physics | 7 | Expired |
| US6121598A | Laser transmitter incorporating target dither | Physics | 5 | Expired |
| US6325590A | Arrangement for determining the relative angular orientation between a first machine element and a second machine element | Fixed Constructions | 3 | Expired |
| US6091487A | Laser transmitter incorporating auto scan dither zone | Physics | 2 | Expired |
| US5959739A | System for distinguishing true target reflections from ghost target reflections | Physics | 2 | Expired |
| US6034613A | Shock and vibration sensor | Physics | 1 | Expired |
| US6046445A | Solar powered laser receiver circuit | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.