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Richard Zhang
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Riviera Beach, FL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Sprinkler flow stop and pressure regulator combination
Patent number
11,478,804
Issue date
Oct 25, 2022
K Rain Manufacturing Corp.
Carl L. C. Kah
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Viscous damped stream rotary deflector with internal spiraled dampi...
Patent number
11,179,738
Issue date
Nov 23, 2021
K Rain Manufacturing Corp.
Richard Zhang
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Sprinkler flow stop and pressure regulator combination
Patent number
10,220,405
Issue date
Mar 5, 2019
K Rain Manufacturing Corp.
Carl L. C. Kah
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Sprinkler flow stop and pressure regulator combination
Patent number
9,192,956
Issue date
Nov 24, 2015
Carl L. C. Kah
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Rotary nozzle head
Patent number
D682391
Issue date
May 14, 2013
K Rain Manufacturing Corp.
Carl L. C. Kah
D23 - Environmental heating and cooling
Information
Patent Grant
Sprinkler top with co-molded seal for riser and body
Patent number
7,600,699
Issue date
Oct 13, 2009
K Rain Manufacturing Corp.
Carl L. C. Kah, Jr.
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Patents Applications
last 30 patents
Information
Patent Application
SPRINKLER FLOW STOP AND PRESSURE REGULATOR COMBINATION
Publication number
20190143360
Publication date
May 16, 2019
K-RAIN MANUFACTURING CORP.
Carl L.C. Kah
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
SPRINKLER FLOW STOP AND PRESSURE REGULATOR COMBINATION
Publication number
20160074896
Publication date
Mar 17, 2016
Carl L.C. Kah
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
VISCOUS DAMPED STREAM ROTARY DEFLECTOR WITH INTERNAL SPIRALED DAMPI...
Publication number
20120273592
Publication date
Nov 1, 2012
Richard Zhang
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
SPRINKLER FLOW STOP AND PRESSURE REGULATOR COMBINATION
Publication number
20120118405
Publication date
May 17, 2012
Carl L.C. Kah, JR.
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Sprinkler top with co-molded seal for riser and body
Publication number
20060261182
Publication date
Nov 23, 2006
Carl L.C. Kah
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
Flush cap with shut-off for sprinker head
Publication number
20060049273
Publication date
Mar 9, 2006
Richard Zhang
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...