Yi Hua

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Nanjing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dust separation apparatus and intelligent control system including...
- Patent number 10,159,990
- Issue date Dec 25, 2018
- HARVEY INDUSTRIES CO., LTD.
- Yi Hua
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Dust separator
- Patent number D792568
- Issue date Jul 18, 2017
- NANJING HARVEY INDUSTRIES CO., LTD.
- Yi Hua
- D23 - Environmental heating and cooling
Information Patent Grant
Multi-gear synchro-moving riving knife system with quick release de...
- Patent number 8,272,305
- Issue date Sep 25, 2012
- Nanjing Haiwei Machinery Co., Ltd.
- Qing Hai Xu
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents

Information Patent Application
ENVIRONMENT-FRIENDLY DUST-FREE DESKTOP CUTTING MACHINE
- Publication number 20220288709
- Publication date Sep 15, 2022
- NANJING VORTEK MACHINERY CO., LTD.
- Yi HUA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
DUST SEPARATION APPARATUS AND INTELLIGENT CONTROL SYSTEM INCLUDING...
- Publication number 20170333918
- Publication date Nov 23, 2017
- HARVEY INDUSTRIES CO., LTD.
- Yi HUA
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Application
Multi-Gear Synchro-Moving Riving Knife System With Quick Release De...
- Publication number 20110017037
- Publication date Jan 27, 2011
- Qing Hai Xu
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Application
Titanium Based Alloy PVD Coatings On Cast Iron Worktables For Woodw...
- Publication number 20070237985
- Publication date Oct 11, 2007
- Qing Hai XU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR