Inventor · disambiguated record
James G. Retzloff
Also filed as: RETZLOFF JAMES G
13 granted patents·510 citations·filing 1980–2014
94Inventor score
Top patents by PatentIndex Score
13 records- 0195US6152236ACombined trigger and concealing device for a sprinkler headVIKING CORP·Filed 1998·Granted Nov 28, 2000·105 cites·32 claims
- 0291US5992532AWet pipe fire protection systemVIKING CORP·Filed 1998·Granted Nov 30, 1999·93 cites·22 claims
- 0389US8695719B2Cover plate for concealed sprinklerRETZLOFF JAMES G·Filed 2012·Granted Apr 15, 2014·10 cites·17 claims
- 0489US6805203B2Cover plate for concealed sprinklerVIKING CORP·Filed 2001·Granted Oct 19, 2004·39 cites·5 claims
- 0583US5020601AConcealed sprinkler assemblyVIKING CORP·Filed 1990·Granted Jun 4, 1991·98 cites·16 claims
- 0674US9993674B2Cover plate for concealed sprinklerVIKING CORP·Filed 2014·Granted Jun 12, 2018·2 cites·4 claims
- 0772US5628367ATemperature sensitive sprinkler head with improved springVIKING CORP·Filed 1994·Granted May 13, 1997·56 cites·30 claims
- 0867US5146949ACheck valve with spring loaded clapper assemblyVIKING CORP·Filed 1991·Granted Sep 15, 1992·29 cites·24 claims
- 0962US4623023ASprinkler headVIKING CORP·Filed 1985·Granted Nov 18, 1986·29 cites·1 claims
- 1062US4570720ASprinkler headVIKING CORP·Filed 1980·Granted Feb 18, 1986·24 cites·1 claims
- 1158US8220556B2Cover plate for concealed sprinklerRETZLOFF JAMES G·Filed 2004·Granted Jul 17, 2012·7 cites·6 claims
- 1241US6082465AThrust reverser sprinkler headVIKING CORP·Filed 1998·Granted Jul 4, 2000·12 cites·28 claims
- 1329US5826665ASprinkler head with stamped trigger-mounting elementsFiled 1997·Granted Oct 27, 1998·6 cites·28 claims
Join the waitlist — get patent alerts
Get an alert when James G. Retzloff files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →