Ralph R. Mehr

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Tel Aviv, IL

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Patents Grantslast 30 patents

Information Patent Grant
Automatic fire sprinkler having a variable orifice
- Patent number 7,237,619
- Issue date Jul 3, 2007
- Ralph R. Mehr
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Submerged thermally sensitive element for an automatic fire sprinkler
- Patent number 6,923,265
- Issue date Aug 2, 2005
- Ralph R. Mehr
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Pipe connections and methods for connecting pipes
- Patent number 6,634,677
- Issue date Oct 21, 2003
- Ralph R. Mehr
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe connections and methods for connecting pipes
- Patent number 5,927,763
- Issue date Jul 27, 1999
- Ralph R. Mehr
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
MULTI APPLICATION FIRE SPRINKLER
- Publication number 20100212917
- Publication date Aug 26, 2010
- RALPH R. MEHR
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
SUBMERGED THERMALLY SENSITIVE ELEMENT FOR AN AUTOMATIC FIRE SPRINKLER
- Publication number 20050145395
- Publication date Jul 7, 2005
- Ralph R. Mehr
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Automatic fire sprinkler having a variable orifice
- Publication number 20050017095
- Publication date Jan 27, 2005
- Ralph R. Mehr
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Pipe connections and methods for connecting pipes
- Publication number 20020053798
- Publication date May 9, 2002
- Ralph R. Mehr
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...