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SHANDONG ZHONGTAN MACH CO LTD

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    68,459
About

SHANDONG ZHONGTAN MACH CO LTD has a total of 25 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 engines, pumps and turbines and mechanical elements are OKENSEIKO CO LTD, UNIHOLD GROUP LIMITED and ZHEJIANG HONGYOU COMPRESSOR MFG CO LTD.

Patent filings in countries

World map showing SHANDONG ZHONGTAN MACH CO LTDs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

Chart showing SHANDONG ZHONGTAN MACH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shao Pengfei 16
#2 Li Lujie 14
#3 Zhang Yuling 12
#4 Shao Binghong 10
#5 Li Hongping 8
#6 Li Gang 4
#7 Mao Chuanli 2
#8 Ding Lanhong 2
#9 Li Xuan 1
#10 Binghong Shao 1

Latest patents

Publication Filing date Title
CN110939552A Just, split type oil pressure seal piston slush pump of dismantling
CN111059014A Plunger mud pump adopting split plunger assembly
CN110985328A Oil pressure sealing plunger mud pump convenient for liquid mixing
CN110953134A Piston mud pump adopting split type piston assembly
CN111022286A Split plunger mud pump convenient to mix liquid
CN110985329A Piston mud pump convenient to mix liquid
CN111022285A Oil pressure sealing plunger mud pump adopting split plunger assembly
CN110953135A Piston type mud pump adopting split type piston assembly
CN111102153A Split type piston mud pump convenient to mix liquid
CN111022284A Plunger slush pump convenient to mix liquid
CN111022283A Oil pressure sealing piston mud pump convenient for liquid mixing
CN111059013A Split type oil pressure sealing plunger mud pump convenient to liquid mixes
CN110985370A Mud pump air pressure sealing device and method
CN110953349A Hydraulic sealing device and method for slurry pump
CN110425147A A kind of slush pump slurries recovery system and method
CN110425259A A kind of slush pump automatic speed-changing system and method
CN108518327A A kind of slush pump using split type plunger assembly
CN108590999A A kind of Wear-resisting plunger slush pump
CN108412721A A kind of wear-resisting voltage stabilizing mud pump with plunger
CN108590998A A kind of voltage stabilizing mud pump with plunger