Raymond D. Prengaman

Person

Arlington, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electrowinning anode and method of manufacture
- Patent number 5,172,850
- Issue date Dec 22, 1992
- RSR Corporation
- Raymond D. Prengaman
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of alloying calcium and aluminum into lead
- Patent number 4,439,398
- Issue date Mar 27, 1984
- RSR Corporation
- Raymond D. Prengaman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Thread sealing and lubricating composition
- Patent number 4,379,062
- Issue date Apr 5, 1983
- Raymond D. Prengaman
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Low antimony alloy
- Patent number 4,376,093
- Issue date Mar 8, 1983
- RSR Corporation
- Raymond D. Prengaman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of manufacturing electrowinning anode
- Patent number 4,373,654
- Issue date Feb 15, 1983
- RSR Corporation
- Raymond D. Prengaman
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Stable lead dioxide anode and method for production
- Patent number 4,236,978
- Issue date Dec 2, 1980
- RSR Corporation
- Raymond D. Prengaman
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for reducing lead peroxide formation during lead electrowin...
- Patent number 4,230,545
- Issue date Oct 28, 1980
- RSR Corporation
- Raymond D. Prengaman
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of recovering lead values from battery sludge
- Patent number 4,229,271
- Issue date Oct 21, 1980
- RSR Corporation
- Raymond D. Prengaman
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of fabricating stable wrought lead-calcium-tin alloys by mea...
- Patent number 3,953,244
- Issue date Apr 27, 1976
- St. Joe Minerals Corporation
- Raymond D. Prengaman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Raymond D. Prengaman

Person

Patents Grantslast 30 patents

Electrowinning anode and method of manufacture

Method of alloying calcium and aluminum into lead

Thread sealing and lubricating composition

Low antimony alloy

Method of manufacturing electrowinning anode

Stable lead dioxide anode and method for production

Process for reducing lead peroxide formation during lead electrowin...

Method of recovering lead values from battery sludge

Method of fabricating stable wrought lead-calcium-tin alloys by mea...