Inventor

John D. Feichtner

Inventor

Murrysville, PA, US

Overview

12→

Patents

1976–2001

Patent span

Physics

Primary field (CPC G)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Sprimary

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light26%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein22%

C30BSingle-crystal growth13%

C01BNon-metallic elements9%

A61NElectrotherapy4%

B01DSeparation4%

C23CCoating metallic material4%

G01NInvestigating or analysing materials by determining their chemical or physical properties4%

G01SRadio direction-finding4%

G02BOptical elements, systems or apparatus4%

PatentTitleYear

6,175,679'Optical keyboard'2001 5,825,464'Calibration system and method for lidar systems'1998 5,430,308'3-dimensional radiation dosimeter'1995 4,668,538'Processes for depositing metal compound coatings'1987 4,568,436'Separation of isotopes of zirconium'1986 RE029557'Tl.sub.3 PSe.sub.4 Compound, single crystals, and acousto-optical devices'1978 3,994,569'Tl.sub.3 PSe.sub.4 compound, single crystals, and acousto-optical devices'1976 3,992,681'Method and means for controlling population inversion and electronically scanning solid state laser output deflections'1976 3,982,817'Collinear acousto-optical tunable filter and acousto-optically tunable laser'1976 3,977,770'Tl.sub.3 VS.sub.4 Tl.sub.3 NbS.sub.4 crystals and acousto-optical devices'1976 3,975,692'Control of laser output characteristics by fluid streams'1976 3,931,595'Optical waveguide modulator using single crystals of TlGaSe.sub.2 OR.beta.Tl.sub.2'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to WESTINGHOUSE ELECTRIC CORP (8)· patent assignee history

1976–1987Based in Murrysville, PA, US· patent location history

1995Patents assigned to ACCURAY INC (1)· patent assignee history

1995Based in Los Altos Hills, CA, US· patent location history

1998Patents assigned to LOCKHEED CORP (1)· patent assignee history

1998Based in Los Altos, CA, US· patent location history

2001Patents assigned to BROOKHAVEN SCIENCE ASS LLC (1)· patent assignee history

2001Based in Fiddletown, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WESTINGHOUSE ELECTRIC CORP	8	1976–1987
ACCURAY INC	1	1995
BROOKHAVEN SCIENCE ASS LLC	1	2001
LOCKHEED CORP	1	1998

Locations

Location	Patents	Span
Murrysville, Pennsylvania, US	9	1976–1987
Fiddletown, California, US	1	2001
Los Altos, California, US	1	1998
Los Altos Hills, California, US	1	1995