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HUAHAN TECHNOLOGY CO LTD

Overview
  • Total Patents
    15
About

HUAHAN TECHNOLOGY CO LTD has a total of 15 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, machines and machine tools are POLVA NEDERLAND BV, UV RELINE TEC GMBH & CO and KANSUI KOGYO KK.

Patent filings in countries

World map showing HUAHAN TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing HUAHAN TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nenghuan Zheng 12
#2 Chunjiang Yang 5
#3 Rijun Xiao 3
#4 Zheng Nenghuan 3
#5 Yang Yu 2
#6 Mianli Dong 2
#7 Xu Wende 1

Latest patents

Publication Filing date Title
CN102152465A Forming equipment of extruding strip of plastic-steel winding tube
CN102085581A Method and device for cutting plastic-steel wound pipe
CN102529089A Combined plastic pipe welding supporting frame
CN102529090A Fixed plastic pipe welding support frame
CN101949476A Overlapping structure for double-plane-wall pipe strip and double-plane-wall pipe using same
CN101949155A SRWPE network inspection well
CN101893148A Plastic-steel wound pipe joint, plastic-steel wound pipe with same and manufacturing methods
CN101793338A Plastic-steel spirally-wound pipe elbow and manufacturing method thereof
CN101793337A Plastic-steel spirally-wound three-way pipe and manufacturing method thereof
CN101749501A Plastic steel winding pipe reinforcing method and steel belt enhanced composite belt material
CN101749496A Composite belt material structure for reinforcing steel belt
CN101734501A Device and method for continuously feeding strip coils
CN101718375A Steel belt reinforced composite belt material for helical corrugated plastic steel winding pipe
CN101706155A Hot wind heating device and hot wind heating method
CN102052523A Steel belt reinforced composite lap joint belt material for plastic-steel wound pipe