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ROBERTS CHARLES C

Overview
  • Total Patents
    17
About

ROBERTS CHARLES C has a total of 17 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, machine tools and surface technology and coating are CEDAR RAPIDS ENG CO, PARLEC INC and HARTNESS JAMES.

Patent filings in countries

World map showing ROBERTS CHARLES Cs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 2

Patent filings per year

Chart showing ROBERTS CHARLES Cs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roberts Charles C 17
#2 Moran Francis R 1
#3 Grimshaw John 1

Latest patents

Publication Filing date Title
US3168629A Electromagnetically actuated camoperated rotary multi-switch relay
US1678355A Cigarette-delivery box
US1482035A Clip and handle for cigar boxes
US1436909A Game
US1401444A Extension-bolt
US1420147A Self-supporting clamp
CA194416A Machine for coating with metal
US1373023A Tinning-machine
US1252363A Machine and method for coating with metal.
US1072363A Adjustable work-supporting device.
US953059A Gear-cutting machine.
US911613A Tinning or coating machine.
US864992A Drill socket or chuck.
US780383A Tinning-machine.
US727450A Driver for drill-sockets.
US707016A Metal-boring machine.
CA65741A Apparatus for cleaning and coating sheet metal plates