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ZTEK CORP

Overview
  • Total Patents
    187
  • GoodIP Patent Rank
    203,672
  • Filing trend
    ⇩ 100.0%
About

ZTEK CORP has a total of 187 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1992. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, electrical machinery and energy and thermal processes are PLUG POWER INC, VOLLER ENERGY LTD and SERENERGY AS.

Patent filings per year

Chart showing ZTEK CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hsu Michael S 154
#2 Hoag Ethan D 42
#3 Ong Robin Y P 16
#4 Ong Robin Y 12
#5 Hsu M S 9
#6 Ramirez Alfred 3
#7 Tsay David 3
#8 Michael S Hsu 2
#9 Xu Shixun 1
#10 Wei Irvine W 1

Latest patents

Publication Filing date Title
WO2016073500A1 Renewable energy storage and zero emission power system
US2016060537A1 Renewable energy storage and zero emission power system
WO2012151545A2 Zero emission power plant with co2 waste utilization
WO2008048239A2 Expandable hydrogen fueling station and method of supplying hydrogen therein
US2005112425A1 Fuel cell for hydrogen production, electricity generation and co-production
WO2004071947A2 Renewable energy operated hydrogen reforming system
AU2003262367A1 A fuel cell power system
EP1542864A2 Method of forming freestanding thin chromium components for an electrochemical converter
CN1689185A System and method for recharging a metal-air converter used for vehicle propulsion
US2003167689A1 Miniature vaporizers for use with chemical converters and energy devices
AU2002249811B2 Multi-function energy system operable as a fuel cell, reformer, or thermal plant
US2003008183A1 Zero/low emission and co-production energy supply station
CN1543686A Zero/low discharge and co-production type energy supply station
TW497285B Hybrid power system employing fluid regulating elements for controlling various operational parameters of the system
WO0237587A2 A hybrid electrical power system employing fluid regulating elements for controlling various operational parameters of the system
US6380637B1 Off-board station and an electricity exchanging system suitable for use with a mobile vehicle power system
US6083636A Fuel cell stacks for ultra-high efficiency power systems
AU6197398A Electrochemical converter
ZA9711679B Pressurized, integrated electrochemical converter energy system.
NZ508239A Heating of fuel cell reactants by heat exchange in pressure vessel enclosing the cell