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KEYES FRANK EUGENE

Overview
  • Total Patents
    20
About

KEYES FRANK EUGENE has a total of 20 patent applications. Its first patent ever was published in 1899. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets machines, foods and drinks and chemical engineering are HEINRICH NOLZE, FORMING MACHINE COMPANY OF AME and HEINRICH ZEIDLER K G MASCHINEN.

Patent filings in countries

World map showing KEYES FRANK EUGENEs patent filings in countries
# Country Total Patents
#1 Canada 9
#2 United States 7
#3 United Kingdom 4

Patent filings per year

Chart showing KEYES FRANK EUGENEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Keyes Frank Eugene 20
#2 Hinsdale William Russell 1
#3 Brooks Walter Josiah 1

Latest patents

Publication Filing date Title
GB191105733A Improvements in Machines for Making Paper Sheets.
CA132331A Machine for the manufacture of paper sheets
CA132328A Machine for making artivles from pulp
CA132329A Machine for making barrels or kegs
CA132925A Machine for making paper tubes
CA132330A Machine for felting pulp
US993839A Water-strainer.
CA90144A Machine for felting pulp
GB190406970A Improvements in Means for Forming Pulp into Sheets or Borads and into Pipes or Tubes for Making Barrels, Buckets, Kegs and the like and for other Purposes
US801382A Barrel or keg made of pulp.
US796583A Machine for felting pulp.
US796584A Machine for making pulp-boards.
CA78685A Machine for making articles from pulp
CA73959A Pie juice saver
US687315A Pie-juice saver.
US690968A Hydraulic press.
US692862A Machine for the manufacture of sheets, boards, or tubes from pulp.
GB190004309A An Improved Method of Making Fire-proof Pulp for use in the Manufacture of Boards and other Articles.
GB189902223A Improvements in Apparatus for Lining Pipes.
CA223747A Means of separating solid substances from lubricating oil