Benjamin D. Liu

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Carmel, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Air-flow activated germicidal UV-C lights in HVAC system
- Patent number 8,772,744
- Issue date Jul 8, 2014
- Benjamin Dengfa Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Pre-Plumbed Shower Stall System with An Access Panel
- Publication number 20190038083
- Publication date Feb 7, 2019
- BENJAMIN DENGFA LIU
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Air-Flow Activated Germicidal UV-C Lights in HVAC System with Elect...
- Publication number 20140294666
- Publication date Oct 2, 2014
- Benjamin D. Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE