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R K LEBLOND MACHINE TOOL CO

Overview
  • Total Patents
    33
About

R K LEBLOND MACHINE TOOL CO has a total of 33 patent applications. Its first patent ever was published in 1945. It filed its patents most often in Canada, United States and France. Its main competitors in its focus markets machine tools, machines and materials and metallurgy are ANDRE BECHLER, EUNIPP AG and STAMA STARK MASCHF GOTTHILF.

Patent filings in countries

World map showing R K LEBLOND MACHINE TOOL COs patent filings in countries
# Country Total Patents
#1 Canada 18
#2 United States 7
#3 France 4
#4 Switzerland 2
#5 Germany 2

Patent filings per year

Chart showing R K LEBLOND MACHINE TOOL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Carlstedt Ragnar L 8
#2 Hermann Otto 4
#3 Siekmann Harold J 3
#4 Leonard Carlstedt Ragnar 3
#5 Meyer Walter R 2
#6 Carlstedt Ragnar Leonard 1
#7 Groene Willard L 1
#8 Burroughs Robert K 1
#9 Davis Adolph H 1
#10 Bacon Ross M 1

Latest patents

Publication Filing date Title
FR1191312A Improvements to boring machines
US2938410A Seal arrangement
US2903915A Trangential supply of oil through the work clamp
US2903916A Apparatus for preventing vibration of boring bars
US2553966A Method of broaching rotating work
US2461734A Flame hardening apparatus
US2493299A Hydraulic gear shifting mechanism
US2464619A Headstock transmission control for lathes
CA621640A Coolant pump and spindle motor controls
CA621633A Steady rest structure
CA619574A Method and apparatus for preventing vibration of boring bar
CA614490A Depth gage for boring machine
CA808923A Chuck construction
CA693625A Method and apparatus for automatically shifting gears
CA551665A Work handling apparatus for machine tools
CA619570A Coolant supply means for boring machines
CA666088A Control system for a boring machine
CA619565A Seal arrangement
CA808924A Crankshaft lathe
CA698206A Method and apparatus for turning screws