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CHENG CHANGQING

Overview
  • Total Patents
    110
  • GoodIP Patent Rank
    36,068
  • Filing trend
    ⇩ 100.0%
About

CHENG CHANGQING has a total of 110 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2004. It filed its patents most often in China. Its main competitors in its focus markets foods and drinks, chemical engineering and environmental technology are GUANGDONG KAHHOW FOOD CO LTD, COLUMBIA PHYTOTECHNOLOGY LLC and SUZHOU JIDU SEASONING FOOD CO LTD.

Patent filings in countries

World map showing CHENG CHANGQINGs patent filings in countries
# Country Total Patents
#1 China 110

Patent filings per year

Chart showing CHENG CHANGQINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cheng Changqing 108
#2 Zhangqing Cheng 1
#3 Cheng Zhangqing 1

Latest patents

Publication Filing date Title
CN109520272A The air intake-exhaust device of drying equipment
CN109387040A There is the rotary-drum vacuum dryer of cooling section
CN109387049A There is the roller drying machine of cooling section
CN109387066A Drum-type drying storehouse
CN108870903A Conductive drying formula vacuum dryer
CN108870902A Hot pipe conducting formula dryer
CN108413762A The external heating device of roller drying machine
CN108317828A Rotary four dryness storehouses
CN108317325A The input and output material three-way connection in roller drying storehouse
CN108286883A Three cartridge type heat pipe dryness storehouses
CN106524733A Roller-type heat pipe drying storehouse
CN107149829A Cartridge filter deduster
CN107149828A Spiral cartridge filter dust arrester
CN107152421A Dust-filtering cylinder
CN107149827A Spiral cartridge filter
CN105984726A High-air-tightness spherical impeller airlock
CN105984727A High-airtightness cylindrical impeller air closer
CN105823320A Hot wind and vacuum double-effect drying tower
CN105823351A Heat exchange pipe
CN105823346A Aluminium section heat exchanger