David Beryle Wittry

Person

Pasadena, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for fabricating curved crystal x-ray optics
- Patent number 6,498,830
- Issue date Dec 24, 2002
- David B. Wittry
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Curved crystal x-ray optical device and method of fabrication
- Patent number 6,236,710
- Issue date May 22, 2001
- David B. Wittry
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Simplified system for local excitation by monochromatic x-rays
- Patent number 5,892,809
- Issue date Apr 6, 1999
- David B. Wittry
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
High speed rotary engine and ignition system
- Patent number 5,685,269
- Issue date Nov 11, 1997
- David B. Wittry
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
High-power rotary engine with varaiable compression ratio
- Patent number 5,622,149
- Issue date Apr 22, 1997
- David B. Wittry
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Digital wind-speed meter
- Patent number 5,546,815
- Issue date Aug 20, 1996
- David B. Wittry
- G01 - MEASURING TESTING
Information Patent Grant
Rotary engine with glow ignition system
- Patent number 5,537,973
- Issue date Jul 23, 1996
- David B. Wittry
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Rotary engine with variable compression ratio
- Patent number 5,433,179
- Issue date Jul 18, 1995
- David B. Wittry
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Diffractord with doubly curved surface steps
- Patent number 5,127,028
- Issue date Jun 30, 1992
- David B. Wittry
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Scanning monochromator crystal and related method
- Patent number 4,882,780
- Issue date Nov 21, 1989
- University of Southern California
- David B. Wittry
- G01 - MEASURING TESTING
Information Patent Grant
Dual cathode system for electron beam instruments
- Patent number 4,847,502
- Issue date Jul 11, 1989
- The United States of America as represented by the administrator of the Natio...
- James G. Bradley
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Scanning monochrometer crystal and method of formation
- Patent number 4,807,268
- Issue date Feb 21, 1989
- University of Southern California
- David B. Wittry
- G01 - MEASURING TESTING
Information Patent Grant
System for local X-ray excitation by monochromatic X-rays
- Patent number 4,599,741
- Issue date Jul 8, 1986
- USC--Dept. of Materials Science
- David B. Wittry
- G01 - MEASURING TESTING
Information Patent Grant
Method of making a photovoltaic cell employing a PbO-SnO heterojunc...
- Patent number 4,199,383
- Issue date Apr 22, 1980
- University of Southern California
- David B. Wittry
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mask apparatus for fine-line lithography
- Patent number 4,194,233
- Issue date Mar 18, 1980
- Rockwell International Corporation
- Addison B. Jones
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lithographic apparatus
- Patent number 4,194,123
- Issue date Mar 18, 1980
- Rockwell International Corporation
- David B. Wittry
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rotating anode x-ray source and cooling technique therefor
- Patent number 4,165,472
- Issue date Aug 21, 1979
- Rockwell International Corporation
- David B. Wittry
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photovoltaic cell employing a PbO-SnO heterojunction
- Patent number 4,099,199
- Issue date Jul 4, 1978
- University of Southern California
- David Beryle Wittry
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for fabricating curved crystal X-ray optics
- Publication number 20010031034
- Publication date Oct 18, 2001
- David B. Wittry
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING

David Beryle Wittry

Person

Patents Grantslast 30 patents

Method and apparatus for fabricating curved crystal x-ray optics

Curved crystal x-ray optical device and method of fabrication

Simplified system for local excitation by monochromatic x-rays

High speed rotary engine and ignition system

High-power rotary engine with varaiable compression ratio

Digital wind-speed meter

Rotary engine with glow ignition system

Rotary engine with variable compression ratio

Diffractord with doubly curved surface steps

Scanning monochromator crystal and related method

Dual cathode system for electron beam instruments

Scanning monochrometer crystal and method of formation

System for local X-ray excitation by monochromatic X-rays

Method of making a photovoltaic cell employing a PbO-SnO heterojunc...

Mask apparatus for fine-line lithography

Lithographic apparatus

Rotating anode x-ray source and cooling technique therefor

Photovoltaic cell employing a PbO-SnO heterojunction

Patents Applicationslast 30 patents

Method and apparatus for fabricating curved crystal X-ray optics