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TIANJIN GANGSHI SEALING MACHINERY CO LTD

Overview
  • Total Patents
    15
About

TIANJIN GANGSHI SEALING MACHINERY CO LTD has a total of 15 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements and chemical engineering are LI DEEN, JIANGSU XINSHENG BELLOW CO LTD and CHONGQING JINLI PLASTIC INDUSTRY CO LTD.

Patent filings in countries

World map showing TIANJIN GANGSHI SEALING MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing TIANJIN GANGSHI SEALING MACHINERY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Pipes
#2 Gearing
#3 Cleaning

Top inventors

# Name Total Patents
#1 Zhang Shuhuai 15

Latest patents

Publication Filing date Title
CN104421566A Leakage stopping bag
CN104421595A Pneumatic injection oil gun
CN104421565A High-pressure leaking stoppage grouter
CN104415948A Pipeline cleaning device
CN104421564A Leaking stoppage device usable in connection mode
CN104421554A Tee joint leaking stoppage tool
CN104422615A Pipeline internal pressure test device
CN104417417A Pipeline conveying car
CN104421553A Elbow leakage stoppage tool
CN104422614A Pipeline external pressure test device
CN103670303A Pipe elevator
CN103674505A Simple type pressure tester
CN103671747A Deceleration energy-saving device
CN103670290A High-pressure union
CN103670302A Rod elevator