Learn more

CHANGZHOU BONI SPECIAL STEEL PIPE CO LTD

Overview
  • Total Patents
    15
About

CHANGZHOU BONI SPECIAL STEEL PIPE CO LTD has a total of 15 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are ARENDNOE PREDPR VSESOYUZNYJ NI, SCHAETZ MIROSLAV and XIAOHUA CHEN.

Patent filings in countries

World map showing CHANGZHOU BONI SPECIAL STEEL PIPE CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing CHANGZHOU BONI SPECIAL STEEL PIPE CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Ronglin Gao 15

Latest patents

Publication Filing date Title
CN102384830A Steel tube fastening device for underwater pressure tester of steel tube
CN102382974A Heat treating furnace full-automatic temperature control system
CN102507097A Clamp longitudinal travel movable track for steel-pipe underwater air pressure testing machine
CN102384659A Heat energy recovering and utilizing device for thermal treatment furnace
CN102507098A Mobile operation platform for underwater air pressure tester of steel pipes
CN102507099A Steel pipe self-centering moving device for underwater air pressure tester of steel pipes
CN102384824A Tube end opening sealing device for underwater pressure tester of steel tube
CN102393282A Steel tube fastening clamp used for underwater steel tube pressure tester
CN102507332A Steel pipe water-filling pressure intensity test table
CN102384829A Steel pipe fastening fixture used in underwater steel pipe pressure tester
CN102393281A Steel tube fastening device used for underwater steel tube pressure tester
CN102507100A Steel pipe self-centering moving device of underwater air pressure tester of steel pipes
CN102366927A Pressure balancing device for automatic pipe blank polishing machine
CN102366929A Automatic pipe billet polishing machine
CN102366928A Free swinging device for polishing disk of automatic pipe blank polishing machine