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David W. Davidson
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Del Mar, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Axially moving service valve for an irrigation sprinkler
Patent number
11,272,674
Issue date
Mar 15, 2022
Hunter Industries, Inc.
Ronald H. Anuskiewicz
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Sprinkler valve module with removable valve seal
Patent number
10,189,032
Issue date
Jan 29, 2019
Hunter Industries, Inc.
Ronald Henry Anuskiewicz
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
SPRINKLER VALVE MODULE WITH REMOVABLE VALVE SEAL
Publication number
20180200737
Publication date
Jul 19, 2018
Hunter Industries, Inc.
Ronald Henry Anuskiewicz
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
IRRIGATION SPRINKLER WITH DEBRIS FLUSHING PERFORATED RISER
Publication number
20160325302
Publication date
Nov 10, 2016
Hunter Industries, Inc.
Richard M. Dunn
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Irrigation Sprinkler with Debris Flushing Perforated Riser
Publication number
20120024982
Publication date
Feb 2, 2012
Richard M. Dunn
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...