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XU YANZHANG

Overview
  • Total Patents
    48
  • GoodIP Patent Rank
    33,039
About

XU YANZHANG has a total of 48 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements are TRUFLO LTD, BREGOVIC JOSIP and SAUERSTOFF FABRIK BERLIN G M B.

Patent filings in countries

World map showing XU YANZHANGs patent filings in countries
# Country Total Patents
#1 China 48

Patent filings per year

Chart showing XU YANZHANGs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements

Focus technologies

Top inventors

# Name Total Patents
#1 Xu Yanzhang 48

Latest patents

Publication Filing date Title
CN104930219A Small-specification three-way stop valve
CN104896152A Check valve for industrial refrigeration
CN104976356A Right-angled type adjusting stop valve for industrial refrigeration
CN104976355A Stop valve for refrigeration equipment
CN104896183A Right angle type stop valve for refrigeration device
CN105179702A Straight-through type stop valve for refrigerating device
CN104976364A Small-specification adjusting stop valve for refrigeration equipment
CN105020411A Small-specification stop valve for refrigeration device
CN105003657A Straight-through type adjustment stop valve used for industrial refrigeration
CN104930238A Adjusting valve for industrial refrigerating
CN105020468A Novel valve clack and valve rod connection structure
CN104896155A Stop check valve for industrial refrigeration
CN104896110A Stop valve for industrial refrigeration
CN105020441A Right-angle type check valve for industrial refrigeration
CN104976354A Right-angle stop valve for industrial refrigeration
CN104976392A Right-angled type stop check valve for industrial refrigeration
CN105003656A Straight-through type stop valve for industrial refrigeration
CN105042128A Straight-through type stop check valve for industrial refrigeration
CN104913087A Straight-through type check valve for industrial refrigeration
CN105042179A Connecting structure in stop valve