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Chunfu Zhou
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Ningbo, CN
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Patents Grants
last 30 patents
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Patent Grant
Sprinkler with locking mechanism and removable nozzle strip
Patent number
11,161,137
Issue date
Nov 2, 2021
Ningbo Yilin Aquatech Co., Ltd.
Ha V. Duong
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
Information
Patent Application
Sprinkler with Control Mechanism for Adjusting Spray Pattern
Publication number
20200094283
Publication date
Mar 26, 2020
Ningbo Yilin Aguatech Co., Ltd.
Ha V. Duong
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
Sprinkler with Locking Mechanism and Removable Nozzle Strip
Publication number
20200094284
Publication date
Mar 26, 2020
Ningbo Yilin Aguatech Co., Ltd.
Ha V. Duong
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...