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SUMMEY DAVID L

Overview
  • Total Patents
    21
About

SUMMEY DAVID L has a total of 21 patent applications. Its first patent ever was published in 1923. It filed its patents most often in Canada and United States. Its main competitors in its focus markets machine tools, machines and electrical machinery and energy are ABRAHAM SIMONS, SECURITY LUMBER & SUPPLY CO and SPREAFICO BRUNO.

Patent filings in countries

World map showing SUMMEY DAVID Ls patent filings in countries
# Country Total Patents
#1 Canada 11
#2 United States 10

Patent filings per year

Chart showing SUMMEY DAVID Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Summey David L 21

Latest patents

Publication Filing date Title
US1859753A Metal extruding apparatus
US1739620A Metal coiling apparatus
US1768866A Metal-extruding apparatus
US1748465A Heating apparatus
US1693568A Conveyer for heating furnaces
US1671794A Resistor and support therefor
US1849044A Apparatus for extruding and coiling rods and controlling means applicable thereto
US1776823A Heating apparatus
US1589266A Electric induction furnace
CA327405A Metal extruding apparatus
CA306041A Metal coiling apparatus
CA302490A Pressure control system
CA331063A Billet feeding and heating apparatus
CA327404A Power control apparatus
CA312089A Heating apparatus
CA316953A Resistor and support
CA312090A Electric resistance unit
CA327061A Rod extruding and coiling apparatus
CA319026A Baling press
CA333181A Metal extruding apparatus