Edward E. Hart — 11 Patents at Spectra-Physics

Edward E. Hart has been granted 11 US patents while listed as an inventor at Spectra-Physics. The first was granted in 1986 and the most recent in September 2025. Edward E. Hart ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Edward E. Hart in Flanders, NJ, US.

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Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
D1094125	Laser alignment tool	—	2025-09-23
6292258	Laser receiver with out-of-plumb indication and compensation	Richard D'Alessandro, Jonathan A Jackson, Robert M. Perchak	2001-09-18
6034613	Shock and vibration sensor	Michael A. Stickelman	2000-03-07
5166831	Light beam deflecting apparatus including a fluid	—	1992-11-24
5144486	Laser beam apparatus for providing multiple reference beams	—	1992-09-01
5033847	Angular positioning and calibration of projected reference light planes	David L. Hamblin	1991-07-23
5033848	Pendulous compensator for light beam projector	Peter S. Winckler, Douglas B. Monnin	1991-07-23
4717266	Low friction ferrofluid bearing arrangement	Joseph G. Patten	1988-01-05
4684836	Magnetic speed reduction device	—	1987-08-04
4654856	Laser beam projection device and arrangement for mounting a laser plasma tube therein	Theodore J. Markley, Ted L. Teach, William C. Pohl	1987-03-31	$854,000
4629321	Grade setting and calibration arrangement for laser beam projection device	Ted L. Teach	1986-12-16	$1,236,000

Edward E. Hart — 11 Patents

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