Donald E. Woollen

Follow

Person

Largo, FL, US

People

Patents Grantslast 30 patents

Information Patent Grant
High efficiency water heater
- Patent number 8,327,810
- Issue date Dec 11, 2012
- Armstrong Hot Water Inc.
- George R. Arnold
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
High efficiency water heater
- Patent number 7,614,366
- Issue date Nov 10, 2009
- George R. Arnold
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Potable hot water storage vessel and direct-fired heat exchanger
- Patent number 5,313,914
- Issue date May 24, 1994
- Donald E. Woollen
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Submersible high-efficiency combustion chamber for a water heater
- Patent number 5,207,212
- Issue date May 4, 1993
- Donald E. Woollen
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
HIGH EFFICIENCY WATER HEATER
- Publication number 20100018475
- Publication date Jan 28, 2010
- Armstrong Hot Water Inc.
- George R. Arnold
- F24 - HEATING RANGES VENTILATING
Information Patent Application
HIGH EFFICIENCY WATER HEATER
- Publication number 20080223313
- Publication date Sep 18, 2008
- George R. Arnold
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Liquid tank liner connection
- Publication number 20050178768
- Publication date Aug 18, 2005
- AQUA TECHNOLOGIES, INC.
- Donald E. Woollen
- F24 - HEATING RANGES VENTILATING