Robert Merrill Purton

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Cerritos, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Flow control valve
- Patent number 4,407,327
- Issue date Oct 4, 1983
- Dresser Industries, Inc.
- Lloyd D. Hanson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cleanout apparatus for flow control valves
- Patent number 4,295,487
- Issue date Oct 20, 1981
- Dresser Industries, Inc.
- Robert M. Purton
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Decoking nozzle assembly
- Patent number 4,275,842
- Issue date Jun 30, 1981
- Dresser Industries, Inc.
- Robert M. Purton
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Flow control valve
- Patent number 4,004,613
- Issue date Jan 25, 1977
- Dresser Industries, Inc.
- Robert Merrill Purton
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Flushing and cooling system for shaft seals and pumps
- Patent number 3,999,882
- Issue date Dec 28, 1976
- Dresser Industries, Inc.
- Robert M. Purton
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Flow control valve for decoking
- Patent number 3,964,516
- Issue date Jun 22, 1976
- Dresser Industries, Inc.
- Robert Merrill Purton
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...