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LETZ MFG CO

Overview
  • Total Patents
    52
About

LETZ MFG CO has a total of 52 patent applications. Its first patent ever was published in 1915. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, agriculture and packaging and shipping are WOLF COMPANY, SICHUAN LEIMING ECO-FRIENDLY ENG CO LTD and Seed Terminator Holdings PTY LTD.

Patent filings in countries

World map showing LETZ MFG COs patent filings in countries
# Country Total Patents
#1 United States 45
#2 Canada 7

Patent filings per year

Chart showing LETZ MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 John Holland-Letz 20
#2 Letz John Holland 8
#3 Holland Letz John 5
#4 Holland-Letz Ludwig 4
#5 Ludwig Holland-Letz 4
#6 Letz William Holland 3
#7 Holland-Letz William 2
#8 Holland-Letz John 2
#9 Letz William H 2
#10 Holland-Lets John 1

Latest patents

Publication Filing date Title
US2985211A Feed cutter
US2363589A Grain blower attachment
US2311833A Liquid dispensing nozzle for roughage mills and the like
US2244364A Adjustable feed table for roughage mills and the like
US2298482A Liquid pressure control for roughage mills
US2269155A Roughage mill distributing spout
US2246799A Cutting tip for hammer mills
US2150230A Roughage mill
US2119336A Roughage mill
US2041181A Feed grinder and blower
US2005940A Roughage mill
US2042946A Roughage mill
US1967313A Roughage mill
US2051489A Separator device for roughage mills
US1925395A Conveying mechanism for grinding mills and the like
US1946084A Feeding mechanism for grinding mills
US1929586A Adjustable knife for roughage mills
US2072920A Separator attachment for roughage mills
US1875743A Grinding mill
US1851316A Roughage mill