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CHEN CHENGZONG

Overview
  • Total Patents
    19
About

CHEN CHENGZONG has a total of 19 patent applications. Its first patent ever was published in 1986. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are UK VNII GORNOJ GEOMEKHANIKI MA, G PI KH SANTEKHPROEKT and MICKLE WORKS KK.

Patent filings in countries

World map showing CHEN CHENGZONGs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing CHEN CHENGZONGs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Chengzong Chen 13
#2 Chen Chengzong 6

Latest patents

Publication Filing date Title
CN104712522A Pontoon type hydraulic pump
CN1245746A Multifunctional adjustable spanner
CN1223343A Water level controller
CN1211688A Auto-control protective submerged electric pump
CN1197169A Self-controlling protective submersible electrical pump
CN1172337A Mercury thermometer relay
CN1136643A Self-control protective submersible electric pump
CN1100571A Safety protector for submerged motor
CN1089064A Submersible motor switch protector
CN1087406A Oil-hole groove in the seal-moving cylinder mill
CN1074022A Integral self-control sealed box
CN1066911A Integral injeciton tube type seal box
CN1039911A Float bowol hammer left-right circuit switch device
CN1039333A Railing-shaped casing
CN1035155A Super-low-speed steam engine installation with steam pump and water power pump
CN1033408A Double-row seal vertical type double floating pontoon equipment
CN1007077B Vertical sealing device of double row seals
CN1008766B Horizontal sealing device with float and double-row sealing rings