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CEDAR RAPIDS ENG CO

Overview
  • Total Patents
    18
About

CEDAR RAPIDS ENG CO has a total of 18 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools, machines and measurement are MOLINE TOOL COMPANY, GARVIN MACHINE COMPANY and WAWRZYNIAK WALTER W.

Patent filings in countries

World map showing CEDAR RAPIDS ENG COs patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 2

Patent filings per year

Chart showing CEDAR RAPIDS ENG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dunn Allen I 8
#2 Humbert Marvin H 4
#3 Anderson Vyron E 3
#4 Dunn Alien I 1
#5 Humbert Marvin 1
#6 Humbert M 1

Latest patents

Publication Filing date Title
US3994613A Device for positioning cutters in an annular cutter holder
CA985488A Spring assisted collet
US3799561A Valve holding and aligning device
US3686768A Two-plane bore leveling device
US3043058A Valve grinding machines
US3049838A Valve grinding machines
US2864268A Engine reconditioning equipment
US2834233A Engine reconditioning equipment
US2243946A Means and method for machining parts
US2159354A Torque wrench
US2159373A Torque wrench
US2139887A Grinding device
US2040601A Chuck
US1988378A Boring head and gauge for cylinder reboring machines
US1904941A Valve reseating tool driver
US1876280A Measuring device
US1747060A Apparatus for truing valve seats