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LETSON & BURPEE LTD

Overview
  • Total Patents
    50
About

LETSON & BURPEE LTD has a total of 50 patent applications. Its first patent ever was published in 1905. It filed its patents most often in Canada, United States and Australia. Its main competitors in its focus markets machine tools, measurement and machines are NEWSTAR ASIA LTD, MIYAWAKI UICHI and WEUSTHOF GERHARD.

Patent filings in countries

World map showing LETSON & BURPEE LTDs patent filings in countries

Patent filings per year

Chart showing LETSON & BURPEE LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Allen Francis Edwin 16
#2 Porter Andrew Wilkinson 9
#3 Allen Francis E 8
#4 Allen F 6
#5 Baldrey Robert A 5
#6 Allen F E 5
#7 Porter A W 3
#8 Baldrey Robert Alexander 3
#9 Baldrey R 2
#10 Porter Andrew W 2

Latest patents

Publication Filing date Title
CA1003308A Automatic roll tensioning method and apparatus
US3919900A Automatic roll tensioning method and apparatus
CA1010647A Roll tension monitor for saw blade
US3946634A Band mill strain mechanism
AU6319373A Air strain mechanism for bandmill
US3838620A Air strain mechanism for bandmill
CA994215A Air strain mechanism for bandmill
AU4610772A Shear blade
CA958626A Crowder roll arm for bandmill
US3827324A Crowder roll arm for bandmill
CA1049377A Bandmill strain mechanism
US3858713A Log feed conveyor for bandmill
CA920480A Band mill
CA895668A Bandmill arbor tilting mechanism
US3356205A Log conveyor
CA169296A Seaming machine
CA92344A Machine for sawing shingles
CA702764A Chain connecting conveyer chair
CA834556A Impact absorbing conveyor roll
CA690774A Conveyer flight