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HYDROMETALS INC

Overview
  • Total Patents
    19
About

HYDROMETALS INC has a total of 19 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United States, United Kingdom and Austria. Its main competitors in its focus markets materials and metallurgy, machines and machine tools are BOEHLER BLECHE GMBH, THOS FIRTH & JOHN BROWN LTD and LUDLUM STEEL COMPANY.

Patent filings in countries

World map showing HYDROMETALS INCs patent filings in countries
# Country Total Patents
#1 United States 10
#2 United Kingdom 2
#3 Austria 1
#4 Denmark 1
#5 Spain 1
#6 Finland 1
#7 France 1
#8 Greece 1
#9 Ireland 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Wallin Arthur S 3
#2 Hayman Dennis J 3
#3 Arnold Frederic E Jr 1
#4 Aller T 1
#5 Scudder John D 1
#6 Stultz Robert George 1
#7 Borys Jr Emil G 1
#8 Giuliani Raymond E 1
#9 Daniel Scudder John 1
#10 Ernest Giuliani Raymond 1

Latest patents

Publication Filing date Title
US4031540A Impedance matching device
US3886638A Multi-way valve porting block
US3837767A Small pump
US3680592A Single handle faucet valve
US3543799A Single handle faucet valve
US3476074A Antenna selector
IE26318L Zinc alloys
GB927530A Annealed zinc-base alloys
US3006758A Zinc alloy
US2826376A Coil stabilizing apparatus
US2951657A Coiling apparatus
US2874916A Coil holder