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QTRCO INC

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    198,986
About

QTRCO INC has a total of 12 patent applications. Its first patent ever was published in 1996. It filed its patents most often in WIPO (World Intellectual Property Organization), Australia and EPO (European Patent Office). Its main competitors in its focus markets mechanical elements, machines and engines, pumps and turbines are WORCESTER CONTROLS UK LTD, MACHF A BIJLENGA NV and EGELIUS GOERAN.

Patent filings per year

Chart showing QTRCO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Holtgraver Edward 6
#2 Holtgraver Edward G 5
#3 Brown C Coy 2
#4 Howard James R 2
#5 Howard James 2
#6 Edward G Holtgraver 1
#7 James Howard 1

Latest patents

Publication Filing date Title
US2018135665A1 System for determining safety margin of an installed driven member
US2017314584A1 Actuator assembly for conducting partial stroke testing
WO2016007754A1 Method and system for controlling actuators
GB201502199D0 Piston rod-piston assembly for use in an actuator
WO2013192092A2 Seal assembly for use in harsh environments
WO2014175886A1 Double-offset butterfly valve
AU5023296A Pneumatic actuator with rack and pinion assembly