Inventor · disambiguated record
Edward E. Hart
Also filed as: HART EDWARD · HART EDWARD E · HART JR EDWARD E
11 granted patents·2 pending applications·159 citations·filing 1985–2025
90Inventor score
Files withSPECTRA PHYSICS6HART EDWARD2SPECTRA PHYSICS LASERPLANE INC2SPECTRA PREC INC1SPECTRA PRECISION INC1
Top patents by PatentIndex Score
13 records- 0181US5144486ALaser beam apparatus for providing multiple reference beamsSPECTRA PHYSICS LASERPLANE INC·Filed 1990·Granted Sep 1, 1992·62 cites·10 claims
- 0259US5033848APendulous compensator for light beam projectorSPECTRA PHYSICS·Filed 1989·Granted Jul 23, 1991·19 cites·32 claims
- 0357US4629321AGrade setting and calibration arrangement for laser beam projection deviceSPECTRA PHYSICS·Filed 1985·Granted Dec 16, 1986·17 cites·18 claims
- 0453US2025271256A1Laser Alignment ToolHART EDWARD·Filed 2025·Application pending·0 cites
- 0551US6292258B1Laser receiver with out-of-plumb indication and compensationSPECTRA PREC INC·Filed 1999·Granted Sep 18, 2001·25 cites·19 claims
- 0647US5166831ALight beam deflecting apparatus including a fluidSPECTRA PHYSICS LASERPLANE INC·Filed 1991·Granted Nov 24, 1992·14 cites·15 claims
- 0733US4717266ALow friction ferrofluid bearing arrangementSPECTRA PHYSICS·Filed 1986·Granted Jan 5, 1988·9 cites·14 claims
- 0833US4684836AMagnetic speed reduction deviceSPECTRA PHYSICS·Filed 1986·Granted Aug 4, 1987·4 cites·17 claims
- 0932USD1094125SLaser alignment toolHART EDWARD·Filed 2024·Granted Sep 23, 2025·0 cites·1 claims
- 1032US2001038447A1Versatile transmitter and receiver for position measurementFiled 2001·Application pending·0 cites
- 1129US5033847AAngular positioning and calibration of projected reference light planesSPECTRA PHYSICS·Filed 1990·Granted Jul 23, 1991·6 cites·31 claims
- 1227US6034613AShock and vibration sensorSPECTRA PRECISION INC·Filed 1997·Granted Mar 7, 2000·2 cites·26 claims
- 1325US4654856ALaser beam projection device and arrangement for mounting a laser plasma tube thereinSPECTRA PHYSICS·Filed 1985·Granted Mar 31, 1987·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →