Douglas R. Ervin

Person

Metamora, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
System for manufacturing a circular primary surface recuperator
- Patent number 6,687,979
- Issue date Feb 10, 2004
- Solar Turbines Inc
- Charles W. Bucey
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for aligning a circular recuperator core
- Patent number 6,684,502
- Issue date Feb 3, 2004
- Solar Turbines Inc
- Douglas R. Ervin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Recuperator duct assembly line
- Patent number 6,668,446
- Issue date Dec 30, 2003
- Solar Turbines Inc
- Charles W. Bucey
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of locating the blade holders in a fin folding machine
- Patent number 6,615,471
- Issue date Sep 9, 2003
- Solar Turbines Inc
- Gary D. Cape
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Recuperator cell assembly system
- Patent number 6,308,409
- Issue date Oct 30, 2001
- Solar Turbines Incorporated
- Charles W. Bucey
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for making a recuperator cell
- Patent number 6,158,121
- Issue date Dec 12, 2000
- Solar Turbines Incorporated
- Doug R. Ervin
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method and apparatus for making a recuperator cell
- Patent number 6,112,403
- Issue date Sep 5, 2000
- Solar Turbines Incorporated
- Doug R. Ervin
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method for making a recuperator cell
- Patent number 5,918,368
- Issue date Jul 6, 1999
- Solar Turbines, Inc.
- Doug R. Ervin
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Fin folding machine for corrugating sheet material
- Patent number 5,694,803
- Issue date Dec 9, 1997
- Solar Turbines Incorporated
- Douglas R. Ervin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for flattening portions of a corrugated plate
- Patent number 5,333,482
- Issue date Aug 2, 1994
- Solar Turbines Incorporated
- Donald L. Dunlap
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
System for manufacturing a circular primary surface recuperator
- Publication number 20030101588
- Publication date Jun 5, 2003
- Charles W. Bucey
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method and apparatus for aligning a circular recuperator core
- Publication number 20030088982
- Publication date May 15, 2003
- Douglas R. Ervin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Recuperator duct assembly line
- Publication number 20030079345
- Publication date May 1, 2003
- Charles W. Bucey
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Recuperator cell assembly procedure
- Publication number 20020133949
- Publication date Sep 26, 2002
- Charles W. Bucey
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Method of locating the blade holders in a fin folding machine
- Publication number 20020108225
- Publication date Aug 15, 2002
- Gary D. Cape
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Douglas R. Ervin

Person

Patents Grantslast 30 patents

System for manufacturing a circular primary surface recuperator

Method and apparatus for aligning a circular recuperator core

Recuperator duct assembly line

Method of locating the blade holders in a fin folding machine

Recuperator cell assembly system

Method and apparatus for making a recuperator cell

Method and apparatus for making a recuperator cell

Method for making a recuperator cell

Fin folding machine for corrugating sheet material

Method and apparatus for flattening portions of a corrugated plate

Patents Applicationslast 30 patents

System for manufacturing a circular primary surface recuperator

Method and apparatus for aligning a circular recuperator core

Recuperator duct assembly line

Recuperator cell assembly procedure

Method of locating the blade holders in a fin folding machine