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KRUEGER WALLACE F

Overview
  • Total Patents
    29
About

KRUEGER WALLACE F has a total of 29 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets engines, pumps and turbines, machines and mechanical elements are ABEL GMBH & CO, COOK JAMES E and PRIDDY FRANCIS WAYNE.

Patent filings in countries

World map showing KRUEGER WALLACE Fs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 4
#3 Germany 4
#4 Spain 4
#5 Italy 4
#6 Japan 4
#7 Switzerland 1
#8 United Kingdom 1

Patent filings per year

Chart showing KRUEGER WALLACE Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Krueger Wallace F 11
#2 Krueger Wallace Francis 7
#3 Uooresu Furanshisu Kuruugaa 3
#4 Uoorasu Furanshisu Kuruugaa 1

Latest patents

Publication Filing date Title
US4457340A Power-assisted valve, particularly for systems handling viscous materials
IT8147502D0 Power-assisted check valve for viscous liquid
US4339233A Power-assisted valve
IT7949060D0 Metering and delivery pump for viscous fluids - uses two reciprocating pistons moving simultaneously in opposite directions
CA1094995A Apparatus for transferring metered quantities of material from one location to another
US4273261A Metering apparatus
US4171191A Apparatus for transferring metered quantities of material from one location to another
CA1081539A Apparatus for transferring metered quantities of material from one location to another
US3895622A Reversible cooking unit
US3920223A Plural component mixing head