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ROCKFORD MACHINE TOOL CO

Overview
  • Total Patents
    34
About

ROCKFORD MACHINE TOOL CO has a total of 34 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets machine tools, machines and mechanical elements are BANSTROM IND INC, HAYES ENGINEERS LEEDS LTD and RIGIDE.

Patent filings in countries

World map showing ROCKFORD MACHINE TOOL COs patent filings in countries
# Country Total Patents
#1 United States 13
#2 United Kingdom 10
#3 Canada 7
#4 France 3
#5 Germany 1

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 Bjorklund Stanley A 5
#2 Herrstrum Rudolph E 4
#3 Newton Russell A 4
#4 Hallberg Elmer E 4
#5 Olson Philip E 3
#6 Elbert Phillip O 2
#7 Olson Bernard E 2
#8 Litterst Ralph S 1
#9 Vinci Charles F 1
#10 Swanson Eugene S 1

Latest patents

Publication Filing date Title
US3393782A Shifter for toothed drive member
US3452397A Hydraulic actuator for an injection molding machine
US3344678A Change speed mechanism
US3359817A Gear change mechanism
US3319750A Lost revolution clutch in one direction
US3152514A Tool lifter for planer or the like
US3188077A Work holding fixture
GB895883A Improvements in tracer controls for machine tools
US3009398A Machine tool
GB792135A Improvements in or relating to control valve
US2967444A Thread rolling machines
US2924239A Servo valve having helically arranged metering ports
US2931684A Machine tool ways
GB707684A Improvements in or relating to a control mechanism for a planing, milling or like machine tool
US2740383A Control mechanism for machine tools
GB655091A Improvements in or relating to shaping machines and like machine tools
GB653180A Improvements in or relating to machine tools
GB605055A Improvements in or relating to machine tools
GB508648A Improvements in or relating to hydraulic shaping machines or other machine tools
US1812656A Feed mechanism for machine tools