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FAHRENWALD ARTHUR W

Overview
  • Total Patents
    19
About

FAHRENWALD ARTHUR W has a total of 19 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines and chemical engineering are Metso Outotec Finland Oy, RUTH JR JOSEPH P and WESTON DAVID.

Patent filings in countries

World map showing FAHRENWALD ARTHUR Ws patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 8

Patent filings per year

Chart showing FAHRENWALD ARTHUR Ws patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines
#2 Chemical engineering

Focus technologies

# Technology
#1 Milling
#2 Flotation

Top inventors

# Name Total Patents
#1 Fahrenwald Arthur W 19

Latest patents

Publication Filing date Title
US2982485A Gyratory ball mill
US2806681A Flotation machine
US2873922A Jaw crusher
US2406532A Flotation machine
US2337806A Flotation machine
US2291031A Flotation cell
US2303923A Crusher
US2254425A Crusher
US2147833A Crushing mill
US2031697A Grinding mill
US1417895A Flotation apparatus
CA256058A Hydraulic classifier
CA290696A Ore flotation machine
CA342008A Grinding mill
CA443358A Flotation machine
CA354751A Crushing mill
CA462441A Flotation system
CA462442A Process of flotation
CA656193A Gyratory ball mill