ZHEJIANG RONGSHENG TOOL CO., LTD

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS396
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 3102
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 159

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9885570 Electronic circuit for acousto-optoelectronic angle indication and level gauge thereofMar 10, 16Feb 06, 18[G01C]
9709374 Pointer type angle measuring deviceJul 12, 15Jul 18, 17[G01C, G01B, G01D]
9644951 Pointer-type angle measuring device with wireless power supply for lightingDec 01, 14May 09, 17[G01C, G01B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0084,648 Three Dimensional Angle Measuring DeviceAbandonedDec 01, 14Mar 24, 16[G01B]
2014/0101,950 Spirit level with LED indicatorsAbandonedJun 21, 13Apr 17, 14[G01C]

Top Inventors for This Owner

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