Assignee
SPECTRA PRECISION INC
US·18 granted patents·578 citations·filing 1996–1999
Top patents by PatentIndex Score
18 records- 0194US6112145AMethod and apparatus for controlling the spatial orientation of the blade on an earthmoving machineSPECTRA PRECISION INC·Filed 1999·Granted Aug 29, 2000·123 cites·66 claims
- 0292US5848485ASystem for determining the position of a tool mounted on pivotable arm using a light source and reflectorsSPECTRA PRECISION INC·Filed 1996·Granted Dec 15, 1998·114 cites·28 claims
- 0377US5805362AFocusing mechanism using a thin diaphragmSPECTRA PRECISION INC·Filed 1997·Granted Sep 8, 1998·47 cites·33 claims
- 0475US5852493ASelf-aligning laser transmitter having a dual slope grade mechanismSPECTRA PRECISION INC·Filed 1997·Granted Dec 22, 1998·76 cites·39 claims
- 0568US6055046ASystem and method for aligning a laser transmitterSPECTRA PRECISION INC·Filed 1999·Granted Apr 25, 2000·42 cites·65 claims
- 0668US5994688APosition leveling sensor for a laser transmitterSPECTRA PRECISION INC·Filed 1997·Granted Nov 30, 1999·31 cites·17 claims
- 0755US6043874ASystem and method for calibrating a laser transmitterSPECTRA PRECISION INC·Filed 1998·Granted Mar 28, 2000·26 cites·66 claims
- 0855US5886776ALaser beam receiver circuitSPECTRA PRECISION INC·Filed 1997·Granted Mar 23, 1999·30 cites·27 claims
- 0949US5867522AAutofocusing system for a laser transmitterSPECTRA PRECISION INC·Filed 1997·Granted Feb 2, 1999·15 cites·48 claims
- 1046US6088623ASystem and method for leveling an apparatusSPECTRA PRECISION INC·Filed 1997·Granted Jul 11, 2000·20 cites·27 claims
- 1142US5977534ALaser transmitter incorporating target ditherSPECTRA PRECISION INC·Filed 1997·Granted Nov 2, 1999·10 cites·21 claims
- 1241US6099235AArrangement for determining the relative angular orientation between a first machine element and a second machine elementSPECTRA PRECISION INC·Filed 1997·Granted Aug 8, 2000·12 cites·23 claims
- 1337US5844679ASystem for adjusting the orientation of a plane of laser lightSPECTRA PRECISION INC·Filed 1997·Granted Dec 1, 1998·13 cites·61 claims
- 1436US6091487ALaser transmitter incorporating auto scan dither zoneSPECTRA PRECISION INC·Filed 1997·Granted Jul 18, 2000·8 cites·35 claims
- 1534US6121598ALaser transmitter incorporating target ditherSPECTRA PRECISION INC·Filed 1999·Granted Sep 19, 2000·5 cites·7 claims
- 1631US5959739ASystem for distinguishing true target reflections from ghost target reflectionsSPECTRA PRECISION INC·Filed 1998·Granted Sep 28, 1999·4 cites·66 claims
- 1729US6046445ASolar powered laser receiver circuitSPECTRA PRECISION INC·Filed 1998·Granted Apr 4, 2000·0 cites·25 claims
- 1827US6034613AShock and vibration sensorSPECTRA PRECISION INC·Filed 1997·Granted Mar 7, 2000·2 cites·26 claims
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