Learn more

Ningbo yuhua electric appliance co ltd

Overview
  • Total Patents
    28
  • GoodIP Patent Rank
    57,317
  • Filing trend
    ⇩ 83.0%
About

Ningbo yuhua electric appliance co ltd has a total of 28 patent applications. It decreased the IP activity by 83.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets measurement, machines and mechanical elements are P & S TECHNOLOGY CO LTD, NEW EDWARD and MAKINO KAZUO.

Patent filings in countries

World map showing Ningbo yuhua electric appliance co ltds patent filings in countries
# Country Total Patents
#1 China 28

Patent filings per year

Chart showing Ningbo yuhua electric appliance co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sun Bin 14
#2 Sun Zhaoer 10
#3 Wang Guang 7
#4 Wang Xiaogang 6
#5 Chen Jianqiang 5
#6 Zhao Ligang 5
#7 Ma Weiguo 2
#8 Zhao Liangxu 2
#9 Wang Yanling 2
#10 Gu Jinping 2

Latest patents

Publication Filing date Title
CN111122628A Polyethylene pipe fitting nondestructive test device based on Compton backscattering
CN111665274A Workpiece table and polyethylene pipe nondestructive testing device
CN108312435A Electric melting pipe fittings core and automatic demoulding equipment
CN107877780A A kind of electric melting pipe fittings core automatic winding device and method
CN107676531A A kind of Intelligent ball valve
CN107727331A A kind of ball-valve valve rod air leakage test equipment
CN107588268A A kind of double-deck electric melting pipe fittings
CN107883101A A kind of electric smelting bypasses saddle type
CN107588266A It is a kind of not to be depressured open device for pipe fitting
CN105729790A Pressurizing electric fusion welding device and method
CN105799159A Electric-molten pipe welding machine and electric-molten pipe welding method
CN105841898A Gas tightness detection device
CN105588654A Electric melting pipe fitting welding temperature detection system and detection method
CN105628315A Pressurization testing machine
CN105841896A Device for testing sealing performance of steel plastic pipe
CN105758597A Adapter quality inspection apparatus
CN105628316A Steel-plastic adapter sealing detection device
CN105109033A Hot melting device for poly ethylene (PE) tee joint
CN105252760A Machining device for poly ethylene (PE) T-branch pipe
CN105136408A Valve internal air tightness detection device