Learn more

SHU ZU-SHUNG

Overview
  • Total Patents
    13
About

SHU ZU-SHUNG has a total of 13 patent applications. Its first patent ever was published in 2004. It filed its patents most often in United States, Germany and Taiwan. Its main competitors in its focus markets machine tools and machines are HSIN YING ENTPR CO LTD, JODA ENTPR INC and KLANN SPEZIAL WERKZEUGBAU GMBH.

Patent filings in countries

World map showing SHU ZU-SHUNGs patent filings in countries
# Country Total Patents
#1 United States 6
#2 Germany 4
#3 Taiwan 3

Patent filings per year

Chart showing SHU ZU-SHUNGs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Machines

Top inventors

# Name Total Patents
#1 Shu Zu-Shung 13

Latest patents

Publication Filing date Title
US2012318104A1 Ratchet screwdriver
DE102007032284A1 Clamping device for use with pneumatic or electrical turning tool, has pressing element movably arranged in base, for pressing tip in hexagonal opening in release position of tip retaining device
US2009008886A1 Chuck
DE102007006842B3 Hand wrench with quick-change facility for attachments, includes handle with shaft, ratchet change-over control, and manually-operated wheel for rapid turning
US2008178717A1 Quick switch hand tool
DE102005025463A1 Bit driving device
DE102005023866A1 Direction switchable bit driver
US2006163823A1 Tool joint
TW200618951A Improved tool connector structure
US2005211027A1 Bit-driving apparatus
TWI236955B Selective one-way bit-driving apparatus
TWI236954B Ratchet wheel driving device