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PARKES RALPH C

Overview
  • Total Patents
    35
About

PARKES RALPH C has a total of 35 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets chemical engineering, foods and drinks and civil engineering are ASJ HOLDING APS, MOORE DRY KILN COMPANY and TEKMA OY.

Patent filings in countries

World map showing PARKES RALPH Cs patent filings in countries
# Country Total Patents
#1 United States 22
#2 Canada 12
#3 Germany 1

Patent filings per year

Chart showing PARKES RALPH Cs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Parkes Ralph C 34
#2 Schlecht Charles H 1
#3 Clark Jr Howard M 1
#4 Colker David H 1

Latest patents

Publication Filing date Title
US3941232A Curved path delivery conveyor
CA995980A Baking oven
CA1009450A Drum dryer with vibrating shroud
US3863685A Monorail truck tray loader
CA967361A Dryer damper and control mechanism
US3312334A Conveyor
US2951698A Loop dryer for drying non-uniform sheet material
US2884711A Drying machine
US2825432A Insulated panel
US2788968A Festooning device for a loop drying machine
US2817514A Constant tension roll dryer
US2762470A Building construction
US2644989A Door mounting
US2665502A Insulated pole
US2691202A Synthetic material setting machine
US2640250A Cloth drying machine
US2550716A Drying machine
US2501537A Drying machine
US2547833A Drying method and machine
US2534054A Conveyer