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SPEDDING FRANK H

Overview
  • Total Patents
    18
About

SPEDDING FRANK H has a total of 18 patent applications. Its first patent ever was published in 1944. It filed its patents most often in United States. Its main competitors in its focus markets materials and metallurgy, environmental technology and engines, pumps and turbines are KNIGHTON JAMES B, NUCLEAR FUEL SERVICES and PECHINEY URANIUM.

Patent filings in countries

World map showing SPEDDING FRANK Hs patent filings in countries
# Country Total Patents
#1 United States 18

Patent filings per year

Chart showing SPEDDING FRANK Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Spedding Frank H 18
#2 Wilhelm Harley A 8
#3 Keller Wayne H 6
#4 Butler Thomas A 3
#5 Powell Jack E 2
#6 Voigt Adolf F 1
#7 Wihelm Harley A 1
#8 Johns Iral B 1
#9 Gray C F 1
#10 Wheelwright Earl J 1

Latest patents

Publication Filing date Title
US2956858A Method of separating rare earths by ion exchange
US2798789A Method of separating rare earths
US2714554A Method of producing gadolinium
US3034889A Decontamination of uranium
US2797160A Production of zirconium
US2903351A Thorium-beryllium alloys and method of producing same
US2539282A Rare earth separation by adsorption and desorption
US2830894A Production of uranium
US2787536A Process for melting and refining uranium
US2782116A Method of preparing metals from their halides
US2826495A Alloy for use in nuclear fission
US2882125A Volatile fluoride process for separating plutonium from other materials
US2938784A Nuclear fuel composition
US2785065A Method of producing metals from their halides
US2877109A Process for separating uranium fission products
US2778730A Plutonium alloy and method of separating it from uranium
US2852364A Melting and purification of uranium
US2787538A Production of uranium