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Ming Chen
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Jiangsu, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Laser line generating device
Patent number
9,039,235
Issue date
May 26, 2015
Chervon (HK) Limited
Ping Xu
F21 - LIGHTING
Information
Patent Grant
Laser rangefinder and condenser lens thereof for receiving a light ray
Patent number
8,982,331
Issue date
Mar 17, 2015
Chevron (HK) Limited
Ming Chen
G01 - MEASURING TESTING
Information
Patent Grant
Level provided with impact-absorbing end caps
Patent number
7,866,055
Issue date
Jan 11, 2011
Chervon Limited
Yuexiang Zhang
G01 - MEASURING TESTING
Information
Patent Grant
Self-leveling laser apparatus and a method for controlling the same
Patent number
7,493,701
Issue date
Feb 24, 2009
Chevron Limited
Ming Chen
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
LASER LINE GENERATING DEVICE
Publication number
20140078742
Publication date
Mar 20, 2014
CHERVON (HK) LIMITED
Ping Xu
G01 - MEASURING TESTING
Information
Patent Application
LASER RANGEFINDER AND CONDENSER LENS THEREOF FOR RECEIVING A LIGHT RAY
Publication number
20130278916
Publication date
Oct 24, 2013
CHERVON (HK) LIMITED
Ming Chen
G02 - OPTICS
Information
Patent Application
Optical marking mechanism and method for marking lines for a power...
Publication number
20100242695
Publication date
Sep 30, 2010
Kesong Xu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Level having a strikable device
Publication number
20100000105
Publication date
Jan 7, 2010
Yuexiang Zhang
G01 - MEASURING TESTING
Information
Patent Application
Level provided with impact-absorbing end caps
Publication number
20100000106
Publication date
Jan 7, 2010
Yuexiang Zhang
G01 - MEASURING TESTING
Information
Patent Application
DEVICE AND A METHOD FOR DRIVING LIQUID CRYSTAL DISPLAY
Publication number
20090256793
Publication date
Oct 15, 2009
Ming CHEN
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
PROCESSING DEVICE AND PROCESSING METHOD FOR HIGH DYNAMIC CONSTRAST...
Publication number
20090066632
Publication date
Mar 12, 2009
Ming CHEN
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
DISTANCE MEASURING DEVICE
Publication number
20080266542
Publication date
Oct 30, 2008
CHERVON LIMITED
Dezhong Yang
G01 - MEASURING TESTING
Information
Patent Application
Self-leveling laser apparatus and a method for controlling the same
Publication number
20080028624
Publication date
Feb 7, 2008
Ming Chen
G01 - MEASURING TESTING
Information
Patent Application
Object detector
Publication number
20070200547
Publication date
Aug 30, 2007
Ming Chen
G01 - MEASURING TESTING
Information
Patent Application
Laser alignment device
Publication number
20070011894
Publication date
Jan 18, 2007
Ming Chen
G01 - MEASURING TESTING
Information
Patent Application
LASER LEVELING DEVICE
Publication number
20070000139
Publication date
Jan 4, 2007
NANJING CHERVON INDUSTRY CO., LTD.
Ming Chen
G01 - MEASURING TESTING