Lennie L. Ashburn

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Doylestown, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Casting furnace
- Patent number 7,896,060
- Issue date Mar 1, 2011
- PV/T, Inc.
- Lennie L. Ashburn
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Casting furnace
- Patent number 7,383,873
- Issue date Jun 10, 2008
- PV/T, Inc.
- Lennie L. Ashburn
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Cooling system for heat treating furnace
- Patent number 6,947,467
- Issue date Sep 20, 2005
- PV/T, Inc.
- Lennie L. Ashburn
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Vacuum heat treating furnace
- Patent number 6,529,544
- Issue date Mar 4, 2003
- Lennie L. Ashburn
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
High temperature vacuum furnace
- Patent number 6,349,108
- Issue date Feb 19, 2002
- PV/T, Inc.
- Lennie L. Ashburn
- F27 - FURNACES KILNS OVENS RETORTS

Patents Applicationslast 30 patents

Information Patent Application
CASTING FURNACE
- Publication number 20080223538
- Publication date Sep 18, 2008
- PV/T, INC.
- Lennie L. Ashburn
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Casting furnace
- Publication number 20060260779
- Publication date Nov 23, 2006
- Lennie L. Ashburn
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Cooling system for heat treating furnace
- Publication number 20030165177
- Publication date Sep 4, 2003
- Lennie L. Ashburn
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
High temperature vacuum furnace
- Publication number 20020126729
- Publication date Sep 12, 2002
- Lennie L. Ashburn
- F27 - FURNACES KILNS OVENS RETORTS