Walter J. Bernard

Person

Williamstown, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of forming a solid tantalum capacitor
- Patent number 4,706,375
- Issue date Nov 17, 1987
- Sprague Electric Company
- Walter J. Bernard
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Volatile anodizing electrolytes for tantalum
- Patent number 4,692,224
- Issue date Sep 8, 1987
- Sprague Electric Company
- Walter J. Bernard
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Reducing the oxygen content of tantalum
- Patent number 4,508,563
- Issue date Apr 2, 1985
- Sprague Electric Company
- Walter J. Bernard
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Stabilization of aluminum electrolytic capacitor foil
- Patent number 4,437,946
- Issue date Mar 20, 1984
- Sprague Electric Company
- Walter J. Bernard
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Nodular copper removal from aluminum foil surfaces
- Patent number 4,337,114
- Issue date Jun 29, 1982
- Sprague Electric Company
- Philip G. Russell
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Electrolytic capacitor with high-purity aluminized cathode
- Patent number 4,323,950
- Issue date Apr 6, 1982
- Sprague Electric Company
- Walter J. Bernard
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Post-treatment of etched aluminum capacitor foil
- Patent number 4,292,148
- Issue date Sep 29, 1981
- Sprague Electric Company
- Walter J. Bernard
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Etching of aluminum capacitor foil
- Patent number 4,279,715
- Issue date Jul 21, 1981
- Sprague Electric Company
- Mulk A. Arora
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Two-stage differential anodization process
- Patent number 4,278,513
- Issue date Jul 14, 1981
- Sprague Electric Company
- Richard J. Millard
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrochemical removal of surface copper from aluminum foil
- Patent number 4,263,113
- Issue date Apr 21, 1981
- Sprague Electric Company
- Walter J. Bernard
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Producing hydrous oxide of controlled thickness on aluminum capacit...
- Patent number 4,252,575
- Issue date Feb 24, 1981
- Sprague Electric Company
- Walter J. Bernard
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Treating etched aluminum electrolytic capacitor foil
- Patent number 4,204,919
- Issue date May 27, 1980
- Sprague Electric Company
- John J. Randall
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Anodizing aluminum in boric acid bath containing hydroxy organic acid
- Patent number 4,159,927
- Issue date Jul 3, 1979
- Sprague Electric Company
- Walter J. Bernard
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Spacer-electrolyte composite in electrolytic capacitors
- Patent number 4,151,581
- Issue date Apr 24, 1979
- Sprague Electric Company
- Walter J. Bernard
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Two-stage anodization of capacitor electrodes
- Patent number 4,131,520
- Issue date Dec 26, 1978
- Sprague Electric Company
- Walter J. Bernard
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for producing an aluminum electrolytic capacitor having a s...
- Patent number 4,113,579
- Issue date Sep 12, 1978
- Sprague Electric Company
- John J. Randall
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for making a porous tantalum pellet
- Patent number 4,059,442
- Issue date Nov 22, 1977
- Sprague Electric Company
- Walter J. Bernard
- B22 - CASTING POWDER METALLURGY

Walter J. Bernard

Person

Patents Grantslast 30 patents

Method of forming a solid tantalum capacitor

Volatile anodizing electrolytes for tantalum

Reducing the oxygen content of tantalum

Stabilization of aluminum electrolytic capacitor foil

Nodular copper removal from aluminum foil surfaces

Electrolytic capacitor with high-purity aluminized cathode

Post-treatment of etched aluminum capacitor foil

Etching of aluminum capacitor foil

Two-stage differential anodization process

Electrochemical removal of surface copper from aluminum foil

Producing hydrous oxide of controlled thickness on aluminum capacit...

Treating etched aluminum electrolytic capacitor foil

Anodizing aluminum in boric acid bath containing hydroxy organic acid

Spacer-electrolyte composite in electrolytic capacitors

Two-stage anodization of capacitor electrodes

Process for producing an aluminum electrolytic capacitor having a s...

Method for making a porous tantalum pellet