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DALIAN REFRIGERATION CO LTD

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    81,728
  • Filing trend
    ⇩ 40.0%
About

DALIAN REFRIGERATION CO LTD has a total of 25 patent applications. It decreased the IP activity by 40.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets thermal processes, consumer goods and chemical engineering are SINJINENC, JTL SYSTEMS LTD and KRAMER DANIEL E.

Patent filings in countries

World map showing DALIAN REFRIGERATION CO LTDs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

Chart showing DALIAN REFRIGERATION CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Feng Wenhua 13
#2 Chen Jiangang 8
#3 Liu Hui 8
#4 Zhang Weimin 7
#5 Zheng Lijun 5
#6 Wang Shuqing 4
#7 He Guoxiang 4
#8 Zuo Jiandong 4
#9 Yang Yifan 3
#10 Hou Changhai 3

Latest patents

Publication Filing date Title
CN110052795A The processing method of oval tube fin heat exchanger
CN109140836A Flash Type economizer suitable for refrigeration unit
CN108469149A Carbon dioxide condensing trapping system
CN108444129A Red water pre-cooler
CN107367112A Ultrasonic wave passes vibration plate
CN107166816A Shelf comb for freezer quick-freezing room
CN106766386A Carbon dioxide cascade refrigeration system automatic oil-return device
CN106705487A Carbon dioxide/ammonia condensation and evaporation module
CN106766398A Suitable for the labyrinth type liquid baffle structure of falling film evaporator
CN106440630A Cold-charging type ice temperature cold storage
CN106382775A Semi-submerged pipe type heating and draining disc
CN105928271A Onboard efficient oil-gas separator for refrigeration
CN105928270A Vapor-liquid separation type liquid separator
CN105444491A Hypobaric storage equipment for agricultural products
CN104930754A Oil return control device of pump feed liquid refrigerating system
CN104913553A Horizontal gas-liquid separator
CN104913535A Large-sized screw refrigerating compressor unit driven by condensing steam turbine
CN104913597A Ammonia cooling dewaterer with cyclone separation function
CN105042956A Ammonia low-pressure circulating barrel having filtering function
CN104930335A Combined oil return valve