Robert W. Schumacher

Person

Canoga Park, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
High impedance plasma ion implantation apparatus
- Patent number 5,607,509
- Issue date Mar 4, 1997
- Hughes Electronics
- Robert W. Schumacher
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-current, low-pressure plasma-cathode electron gun
- Patent number 5,537,005
- Issue date Jul 16, 1996
- Hughes Aircraft
- Dan M. Goebel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface preparation and deposition method for titanium nitride onto...
- Patent number 5,487,922
- Issue date Jan 30, 1996
- Hughes Aircraft Company
- Simon K. Nieh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Surface potential control in plasma processing of materials
- Patent number 5,374,456
- Issue date Dec 20, 1994
- Hughes Aircraft Company
- Jesse N. Matossian
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
High impedance plasma ion implantation method and apparatus
- Patent number 5,330,800
- Issue date Jul 19, 1994
- Hughes Aircraft Company
- Robert W. Schumacher
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hollow cathode plasma switch with magnetic field
- Patent number 5,132,597
- Issue date Jul 21, 1992
- Hughes Aircraft Company
- Dan M. Goebel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma switch with hollow, thermionic cathode
- Patent number 5,075,594
- Issue date Dec 24, 1991
- Hughes Aircraft Company
- Robert W. Schumacher
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma switch with chrome, perturbated cold cathode
- Patent number 5,019,752
- Issue date May 28, 1991
- Hughes Aircraft Company
- Robert W. Schumacher
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma wave tube and method
- Patent number 4,978,889
- Issue date Dec 18, 1990
- Hughes Aircraft Company
- Robert W. Schumacher
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma wave tube
- Patent number 4,916,361
- Issue date Apr 10, 1990
- Hughes Aircraft Company
- Robert W. Schumacher
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma-assisted high-power microwave generator
- Patent number 4,912,367
- Issue date Mar 27, 1990
- Hughes Aircraft Company
- Robert W. Schumacher
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wire-ion-plasma electron gun employing auxiliary grid
- Patent number 4,642,522
- Issue date Feb 10, 1987
- Hughes Aircraft Company
- Robin J. Harvey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Modulator switch with low voltage control
- Patent number 4,596,945
- Issue date Jun 24, 1986
- Hughes Aircraft Company
- Robert W. Schumacher
- H01 - BASIC ELECTRIC ELEMENTS

Robert W. Schumacher

Person

Patents Grantslast 30 patents

High impedance plasma ion implantation apparatus

High-current, low-pressure plasma-cathode electron gun

Surface preparation and deposition method for titanium nitride onto...

Surface potential control in plasma processing of materials

High impedance plasma ion implantation method and apparatus

Hollow cathode plasma switch with magnetic field

Plasma switch with hollow, thermionic cathode

Plasma switch with chrome, perturbated cold cathode

Plasma wave tube and method

Plasma wave tube

Plasma-assisted high-power microwave generator

Wire-ion-plasma electron gun employing auxiliary grid

Modulator switch with low voltage control