Learn more

Zhejiang haitian gas co ltd

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    78,031
  • Filing trend
    ⇧ 150.0%
About

Zhejiang haitian gas co ltd has a total of 24 patent applications. It increased the IP activity by 150.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, mechanical elements and environmental technology are HAMWORTHY GAS SYSTEMS AS, JIANGSU REFRIGERATION AND LIQUEFACTION EQUIPMENT CO LTD and HANGZHOU HANGYANG CRYOGENIC LIQUEFY EQUIPMENT CO LTD.

Patent filings in countries

World map showing Zhejiang haitian gas co ltds patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

Chart showing Zhejiang haitian gas co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lin Dingbiao 17
#2 Chen Hui 15
#3 Wang Peizheng 15
#4 Chen Chongwen 14
#5 Tao Hongwei 3
#6 Qu Bo 1

Latest patents

Publication Filing date Title
CN110762947A Air cooling device in low-pressure air separation system
CN110711412A Air separation plant's cooling water circulation filter equipment
CN110778913A Argon and carbon dioxide gas mixture filling equipment
CN110778911A Low-temperature gas cylinder liquid oxygen fills dress device
CN110778915A Gas recovery device of low-temperature gas cylinder
CN109268680A A kind of industrial gasses automatic charging device
CN109297259A A kind of device preparing liquid oxygen using low temperature liquid nitrogen
CN109340086A A kind of pre-cooler of air compressor
CN109297260A A kind of full nitrogen space division waste gas recovering device processed
CN109297261A A kind of neon helium cryogenic gas cold energy recyclable device
CN107559582A Integral type hydrogenation plant
CN107758619A Nitrogen hydrogen ammonia gaseous mixture purifying plant
CN106430194A Purification equipment for high-purity carbon dioxide
CN106288656A A kind of air separation plant goes out tower nitrogen gas recovering apparatus
CN106288655A Liquid nitrogen tank emptying low temperature nitrogen is utilized to make the air precooler of low-temperature receiver
CN106440660A Air separation device with high-pressure heat exchange and oxygen supply
CN104961097A DCS (distributed control system) automatic control hydrogen purification system
CN103759499A Ultralow-energy-consumption nitrogen making device
CN103776239A Multifunctional nitrogen making device
CN103776240A Single-compression twin-supercharging double-expansion high-purity nitrogen preparing device