Learn more

SUZHOU DOUSON VALVE CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    140,545
About

SUZHOU DOUSON VALVE CO LTD has a total of 12 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, machine tools and measurement are CNNC SUFA TECH INDUSTRY CO LTD, CHAODA VALVE GROUP CO LTD and Tianjin yongsheng valve co ltd.

Patent filings in countries

World map showing SUZHOU DOUSON VALVE CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing SUZHOU DOUSON VALVE CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Liu Jiantong 7
#2 Zhuang Huitao 5
#3 Huang Hui 5
#4 Huang Xiaofang 4
#5 Zou Liming 4
#6 Chen Lin 3
#7 Yao Yi 3
#8 Shen Qiang 3
#9 Zhang Guoming 3
#10 Wu Hao 1

Latest patents

Publication Filing date Title
CN110043542A A kind of underwater valve body lid stud exclusion seal structure
CN110005868A A kind of underwater ball-valve valve rod combined sealing structure
CN109488784A A kind of ball valve simulation trial-production device
CN109458469A A kind of carbon graphite sealing structure of ball seat
CN109458491A A kind of removable valve holder structure of high temperature Double-disc type check valve
CN104483188A Pressure test tool for sealing pressure vessel welding grooves
CN104500737A Spring type energy storing metal sealing ring
CN104526542A Double-shaft rotating ball body seal grinding tool and method
CN104493298A Rotary-type part hole chamfer processing equipment and rotary-type part hole chamfer processing method
CN104493605A V-block tool allowing height adjustment for workpieces
CN105710392A Machining process for annular thin-wall part and tool thereof
CN103867729A Labyrinth type minimum flow valve