Chi Han Cheng

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Lu Kang Jen, TW

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Patents Grantslast 30 patents

Information Patent Grant
Water spray gun
- Patent number 11,623,235
- Issue date Apr 11, 2023
- Chi-Han Cheng
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Spray switch for spray gun
- Patent number 8,528,841
- Issue date Sep 10, 2013
- Chi-Han Cheng
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...

Patents Applicationslast 30 patents

Information Patent Application
Spray gun structure
- Publication number 20110220738
- Publication date Sep 15, 2011
- Chi Han Cheng
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Sprinkling gun structure
- Publication number 20110180636
- Publication date Jul 28, 2011
- Chi Han Cheng
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...