Karl Walker

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St. George, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
Heat-sensitive trigger for a fire sprinkler valve
- Patent number 9,539,451
- Issue date Jan 10, 2017
- Bulb Link, LLC
- Karl Walker
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Heat-Sensitive Trigger for a Fire Sprinkler Valve
- Publication number 20170319885
- Publication date Nov 9, 2017
- Bulb Link, LLC
- Karl Walker
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...