Richard A. Hart

Person

North Granby, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Q-switched, cavity dumped laser systems for material processing
- Patent number 7,058,093
- Issue date Jun 6, 2006
- Coherent, Inc.
- John T. Kennedy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Q-switched CO2 laser for material processing
- Patent number 6,826,204
- Issue date Nov 30, 2004
- Coherent, Inc.
- John T. Kennedy
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High power waveguide laser
- Patent number 6,788,722
- Issue date Sep 7, 2004
- Coherent, Inc.
- John T. Kennedy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Q-switched cavity dumped CO2 laser for material processing
- Patent number 6,697,408
- Issue date Feb 24, 2004
- Coherent, Inc.
- John T. Kennedy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photo-acoustic leak detection system
- Patent number 6,327,896
- Issue date Dec 11, 2001
- United Technologies Corporation
- William A. Veronesi
- G02 - OPTICS
Information Patent Grant
RF excited waveguide laser
- Patent number 6,192,061
- Issue date Feb 20, 2001
- Demaria Electrooptics Systems, Inc.
- Richard A. Hart
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus to diffract multiple beams
- Patent number 6,154,307
- Issue date Nov 28, 2000
- United Technologies Corporation
- William A. Veronesi
- G02 - OPTICS
Information Patent Grant
System to control the power of a beam
- Patent number 6,089,076
- Issue date Jul 18, 2000
- United Technologies Corporation
- Eric R. Mueller
- G02 - OPTICS
Information Patent Grant
Apparatus for improving the optical intensity induced damage limit...
- Patent number 5,680,412
- Issue date Oct 21, 1997
- Demaria Electrooptics Systems, Inc.
- Anthony J. DeMaria
- G02 - OPTICS
Information Patent Grant
Tailored cross section optical waveguide laser array
- Patent number 5,079,773
- Issue date Jan 7, 1992
- United Technologies Corporation
- Richard A. Hart
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phase locked cusp-shaped dielectric ridge gas laser
- Patent number 4,807,233
- Issue date Feb 21, 1989
- United Technologies Corporation
- Richard A. Hart
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phase locked alternating dielectric ridge gas laser
- Patent number 4,807,234
- Issue date Feb 21, 1989
- United Technologies Corporation
- Richard A. Hart
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phase locked staggered dielectric ridge array waveguide gas laser
- Patent number 4,807,232
- Issue date Feb 21, 1989
- United Technologies Corporation
- Richard A. Hart
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compact distributed inductance RF-excited waveguide gas laser arran...
- Patent number 4,787,090
- Issue date Nov 22, 1988
- United Technologies Corporation
- Leon A. Newman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Passively Q-switched laser having a variable pulse rate
- Patent number 4,539,685
- Issue date Sep 3, 1985
- United Technologies Corporation
- Richard A. Hart
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Passively Q-switched square bore waveguide laser
- Patent number 4,512,021
- Issue date Apr 16, 1985
- United Technologies Corporation
- Peter P. Chenausky
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coupled waveguide freespace laser
- Patent number 4,484,333
- Issue date Nov 20, 1984
- United Technologies Corporation
- Peter P. Chenausky
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Q-switched CO2 laser for material processing
- Publication number 20050069007
- Publication date Mar 31, 2005
- John T. Kennedy
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Q-switched, cavity dumped laser systems for material processing
- Publication number 20040146075
- Publication date Jul 29, 2004
- John T. Kennedy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Q-switched CO2 laser for material processing
- Publication number 20030156615
- Publication date Aug 21, 2003
- John T. Kennedy
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Q-switched cavity dumped CO2 laser for material processing
- Publication number 20020167974
- Publication date Nov 14, 2002
- John T. Kennedy
- H01 - BASIC ELECTRIC ELEMENTS

Richard A. Hart

Person

Patents Grantslast 30 patents

Q-switched, cavity dumped laser systems for material processing

Q-switched CO2 laser for material processing

High power waveguide laser

Q-switched cavity dumped CO2 laser for material processing

Photo-acoustic leak detection system

RF excited waveguide laser

Method and apparatus to diffract multiple beams

System to control the power of a beam

Apparatus for improving the optical intensity induced damage limit...

Tailored cross section optical waveguide laser array

Phase locked cusp-shaped dielectric ridge gas laser

Phase locked alternating dielectric ridge gas laser

Phase locked staggered dielectric ridge array waveguide gas laser

Compact distributed inductance RF-excited waveguide gas laser arran...

Passively Q-switched laser having a variable pulse rate

Passively Q-switched square bore waveguide laser

Coupled waveguide freespace laser

Patents Applicationslast 30 patents

Q-switched CO2 laser for material processing

Q-switched, cavity dumped laser systems for material processing

Q-switched CO2 laser for material processing

Q-switched cavity dumped CO2 laser for material processing