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HSIEN CHIH-CHING

Overview
  • Total Patents
    55
About

HSIEN CHIH-CHING has a total of 55 patent applications. Its first patent ever was published in 2002. It filed its patents most often in United States, Taiwan and Germany. Its main competitors in its focus markets machine tools, machines and electrical machinery and energy are VACAREZZA ANDREW, HU BOBBY and MARTINMAAS WERNER W.

Patent filings in countries

World map showing HSIEN CHIH-CHINGs patent filings in countries
# Country Total Patents
#1 United States 43
#2 Taiwan 4
#3 Germany 3
#4 United Kingdom 3
#5 Brazil 1
#6 Italy 1

Patent filings per year

Chart showing HSIEN CHIH-CHINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hsien Chih-Ching 55

Latest patents

Publication Filing date Title
US2009165606A1 Quick release device for releasing screw bit from socket
TW200817147A Auxiliary device for applying force to hand tool
US2006230886A1 Pliers having pivotal handles
US2006021478A1 Dual function wrench
US2006016295A1 Wrench having greater torque
US2005241444A1 Orientation adjustable spanner
US2006277764A1 Power-saving scissors
US7062978B1 Hand tool with strain gauges
US2006272456A1 Spanner with teeth section at clamp portion
US2006219061A1 Pipe wrench having a fixed positioning ring
TW200616759A Two-headed driver with each head capable of being arm of force to the other head
US6962100B2 Polygonal member engaging device
US2006027059A1 Extendable handle device
US2006027050A1 Ratchet control structure of bidirectional ratchet spanner
US2006027051A1 Wrench with jaws having different tilt angles
US2006027053A1 Extendable handles for hand tools
US2006027057A1 Quick release device for releasing screw bit from socket
US2006027056A1 Pliers having pivotal handles
US2006027058A1 Electronic torque wrench
US2006021476A1 Jaw portion structure of adjustable spanner