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ZHEJIANG SAN OU MACH CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    241,977
About

ZHEJIANG SAN OU MACH CO LTD has a total of 17 patent applications. Its first patent ever was published in 2005. It filed its patents most often in WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets machine tools, machines and mechanical elements are KUNSHAN JUDETAI PREC MACHINERY CO LTD, LIU YAOTING and FERRARO ANTONIO.

Patent filings in countries

World map showing ZHEJIANG SAN OU MACH CO LTDs patent filings in countries

Patent filings per year

Chart showing ZHEJIANG SAN OU MACH CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhou Wenhua 14
#2 Zhao Qiang 12
#3 Wenhua Zhou 2
#4 Qiang Zhao 2
#5 Zhou Wenhua Zhao 1
#6 Kailin Tan 1
#7 Tan Kailin 1
#8 Xu Yanxing 1

Latest patents

Publication Filing date Title
WO2014082194A1 Self-locking inner cone drill chuck
WO2013075599A1 Antilock inner cone drill chuck
WO2013071846A1 Antilock self-tightening drill chuck
WO2013029281A1 Quickly assembled and disassembled drill chunk
WO2011160447A1 Quick assembled and unassembled joint
WO2011140814A1 Fast assembled and disassembled drill chuck
WO2010057397A1 A self-lock manual tightening drill chuck
WO2008122159A1 A self-locking hammer-drill chuck
WO2008122158A1 A new self-locking hand tightened drill chunk
WO2008074204A1 A self-locking manual tightening drill chuck
WO2008144965A1 A new self-locking hand tightened drill chuck
CN101041186A Self-energized chuck
CN101081444A Self-locking type clamping head of hand-locking drill
WO2007028287A1 A self-locking drill chuck
WO2006119685A1 A self-locking type manually tightened drill chuck
CN1743110A Wrench drill clamping chuck