James G. Retzloff

Person

Lansing, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Cover plate for concealed sprinkler
- Patent number 9,993,674
- Issue date Jun 12, 2018
- The Viking Corporation
- James G. Retzloff
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Cover plate for concealed sprinkler
- Patent number 8,695,719
- Issue date Apr 15, 2014
- The Viking Corporation
- James G. Retzloff
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Cover plate for concealed sprinkler
- Patent number 8,220,556
- Issue date Jul 17, 2012
- The Viking Corporation
- James G Retzloff
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Cover plate for concealed sprinkler
- Patent number 6,805,203
- Issue date Oct 19, 2004
- The Viking Corporation
- James G. Retzloff
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Combined trigger and concealing device for a sprinkler head
- Patent number 6,152,236
- Issue date Nov 28, 2000
- The Viking Corporation
- James G. Retzloff
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Thrust reverser sprinkler head
- Patent number 6,082,465
- Issue date Jul 4, 2000
- The Viking Corporation
- James G. Retzloff
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Wet pipe fire protection system
- Patent number 5,992,532
- Issue date Nov 30, 1999
- The Viking Corporation
- John B. Ramsey
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Sprinkler head with stamped trigger-mounting elements
- Patent number 5,826,665
- Issue date Oct 27, 1998
- Perin E. Truax
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Temperature sensitive sprinkler head with improved spring
- Patent number 5,628,367
- Issue date May 13, 1997
- The Viking Corporation
- Perin E. Truax
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Check valve with spring loaded clapper assembly
- Patent number 5,146,949
- Issue date Sep 15, 1992
- The Viking Corporation
- James G. Retzloff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Concealed sprinkler assembly
- Patent number 5,020,601
- Issue date Jun 4, 1991
- Viking Corporation
- James G. Retzloff
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Sprinkler head
- Patent number 4,623,023
- Issue date Nov 18, 1986
- The Viking Corporation
- James G. Retzloff
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Sprinkler head
- Patent number 4,570,720
- Issue date Feb 18, 1986
- The Viking Corporation
- James G. Retzloff
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Cover Plate For Concealed Sprinkler
- Publication number 20140174766
- Publication date Jun 26, 2014
- The Viking Corporation
- James G. RETZLOFF
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Cover Plate for Concealed Sprinkler
- Publication number 20120247792
- Publication date Oct 4, 2012
- The Viking Corporation
- James G. Retzloff
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Cover plate for concealed sprinkler
- Publication number 20050045346
- Publication date Mar 3, 2005
- James G. Retzloff
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Cover plate for concealed sprinkler
- Publication number 20020129946
- Publication date Sep 19, 2002
- James G. Retzloff
- A62 - LIFE-SAVING FIRE-FIGHTING

James G. Retzloff

Person

Patents Grantslast 30 patents

Cover plate for concealed sprinkler

Cover plate for concealed sprinkler

Cover plate for concealed sprinkler

Cover plate for concealed sprinkler

Combined trigger and concealing device for a sprinkler head

Thrust reverser sprinkler head

Wet pipe fire protection system

Sprinkler head with stamped trigger-mounting elements

Temperature sensitive sprinkler head with improved spring

Check valve with spring loaded clapper assembly

Concealed sprinkler assembly

Sprinkler head

Sprinkler head

Patents Applicationslast 30 patents

Cover Plate For Concealed Sprinkler

Cover Plate for Concealed Sprinkler

Cover plate for concealed sprinkler

Cover plate for concealed sprinkler