Keith M. Crawford

Person

Valencia, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Appliance for disinfection of HVAC systems
- Patent number 7,421,851
- Issue date Sep 9, 2008
- Ultraviolet Devices, Inc
- David L. Witham
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Lamp keying system and method
- Patent number 7,354,317
- Issue date Apr 8, 2008
- Ultraviolet Devices, Inc
- David L. Witham
- F21 - LIGHTING
Information Patent Grant
Lamp keying system
- Patent number 7,137,728
- Issue date Nov 21, 2006
- Ultraviolet Devices, Inc
- David L. Witham
- F21 - LIGHTING
Information Patent Grant
Appliance for disinfection of HVAC systems
- Patent number 7,107,778
- Issue date Sep 19, 2006
- David L. Witham
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Lamp keying system and method
- Publication number 20080227320
- Publication date Sep 18, 2008
- David L. Witham
- F21 - LIGHTING
Information Patent Application
Lamp keying system and method
- Publication number 20070058367
- Publication date Mar 15, 2007
- UltraViolet Devices, Inc.
- David L. Witham
- F21 - LIGHTING
Information Patent Application
Appliance for disinfection of HVAC systems
- Publication number 20060254298
- Publication date Nov 16, 2006
- UltraViolet Devices, Inc.
- David L. Witham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Low level ultraviolet disinfecting system
- Publication number 20050163653
- Publication date Jul 28, 2005
- Keith M. Crawford
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Low level ultraviolet disinfecting system
- Publication number 20050163652
- Publication date Jul 28, 2005
- Richard N. Metzger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Disinfecting system
- Publication number 20050163668
- Publication date Jul 28, 2005
- Keith M. Crawford
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Apparatus and method for keying lamp and lamp fixture
- Publication number 20040141332
- Publication date Jul 22, 2004
- David L. Witham
- F21 - LIGHTING
Information Patent Application
Method and device to install a germicidal fluorescent lamp, from on...
- Publication number 20030011308
- Publication date Jan 16, 2003
- Keith M. Crawford
- H01 - BASIC ELECTRIC ELEMENTS

Keith M. Crawford

Person

Patents Grantslast 30 patents

Appliance for disinfection of HVAC systems

Lamp keying system and method

Lamp keying system

Appliance for disinfection of HVAC systems

Patents Applicationslast 30 patents

Lamp keying system and method

Lamp keying system and method

Appliance for disinfection of HVAC systems

Low level ultraviolet disinfecting system

Low level ultraviolet disinfecting system

Disinfecting system

Apparatus and method for keying lamp and lamp fixture

Method and device to install a germicidal fluorescent lamp, from on...