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CHANGZHOU TENT HYDRAULIC MACHINERY CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    172,268
About

CHANGZHOU TENT HYDRAULIC MACHINERY CO LTD has a total of 23 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 machine tools and mechanical elements are HUGO LORANT, WUXI WEITE MACHINERY CO LTD and WELLMAN SEAVER ROLLING MILL CO.

Patent filings in countries

World map showing CHANGZHOU TENT HYDRAULIC MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing CHANGZHOU TENT HYDRAULIC MACHINERY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Yiwei Xu 13
#2 Yi Chen 12
#3 Zhirong Zhang 9
#4 Chun Su 9
#5 Xu Yiwei 7
#6 Fu Guishan 3
#7 Xu Chunhui 3
#8 Wang Yuejie 2
#9 Liang Haohua 1
#10 Guo Jiumin 1

Latest patents

Publication Filing date Title
CN104889195A Combined forming process and forming device for pipes with large and medium calibers
CN104607560A Large-diameter double-metal composite pipe manufacturing technology and diameter expanding forming device
CN104550281A Composite pipe manufacturing process and compound forming production line
CN104492841A Automatically controlled hydraulic cold-drawing machine unit
CN104384220A Thermal shrinkage or thermal expansion forming unit for pipe
CN104440542A Centering sleeve device and centering sleeve component for scraping tumbling mill
CN104440111A Cyclone scraping tumbling mill
CN104358744A Automatic locking cylinder
CN104358743A Rotation type self-locking hydraulic oil cylinder
CN103691978A Combined tool
CN102423771A Pipe blank mounting device suitable for hydraulic drawing steel pipe machine
CN102416410A Hydraulic steel pipe drawing machine
CN102400974A Cylinder-positioning two-stage adjustable thrust hydraulic cylinder device
CN102364124A Cylinder-positioning two-stage speed-adjustable oil cylinder
CN102363169A Pipe expanding device suitable for hydraulic steel pipe drawing machine
CN102380836A Adjustable radial hook-shaped wrench
CN102363168A Steel pipe unloading device suitable for hydraulic steel pipe drawing machine
CN102364196A Multi-stage rotary oil supply joint
CN102501203A Axially-adjustable hook wrench
CN102152140A Workpiece positioning device for tailstock of high-precision numerical control boring burnishing machine