Learn more

RK LEBLOND MACHINE TOOL CO

Overview
  • Total Patents
    75
About

RK LEBLOND MACHINE TOOL CO has a total of 75 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machine tools, machines and electrical machinery and energy are NEW BRITAIN MACHINE CO, C V A JIGS MOULDS & TOOLS LTD and CLEVELAND AUTOMATIC MACHINE CO.

Patent filings in countries

World map showing RK LEBLOND MACHINE TOOL COs patent filings in countries
# Country Total Patents
#1 United States 34
#2 Canada 17
#3 United Kingdom 13
#4 France 8
#5 Germany 3

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Groene William F 23
#2 Hermann Otto 13
#3 Meyer Walter R 8
#4 Siekmann Harold J 7
#5 Groene Willard L 5
#6 Kimsey William A 2
#7 Kemper Harry C 2
#8 Otto Hermann 2
#9 Waterson Arthur P 1
#10 Leblond Richard E 1

Latest patents

Publication Filing date Title
FR1443566A Workpiece chuck
FR1428107A Variable-ratio mechanical transmission
FR1412475A Conductive liquid contactor
US3257880A Chuck device and method of actuating
FR1356490A Gear change device, especially for lathes
FR1356975A Mercury rotary switch
GB955943A Hydraulic gear shifting arrangement for lathes
GB945591A Servo controlled tool block
FR1229115A Crankshaft lathe and user manual
GB871475A Method and apparatus for preventing vibration of elongated drill in a drilling machine
GB832759A Apparatus for manufacturing crankshafts automatically
GB832758A Method of manufacturing crankshafts automatically
US2459416A Adapter for boring bars
US2474134A Hydraulic tool control unit
US2325849A Steady rest for lathes
US2317854A Friction transmission gearing
US2354372A Taper turning apparatus
US2290324A Method of machining crankshafts
US2310691A Toolholder for lathes
US2299975A Crankshaft chucking mechanism