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DAVISON GREGORY CALDWELL

Overview
  • Total Patents
    22
About

DAVISON GREGORY CALDWELL has a total of 22 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets weapons, machines and measurement are PATRIA WEAPON SYSTEMS OY, MATERIELS ET ARMEMENTS MODERNE and ROBINSON HUGH MANSFIELD.

Patent filings in countries

World map showing DAVISON GREGORY CALDWELLs patent filings in countries
# Country Total Patents
#1 United States 8
#2 United Kingdom 6
#3 Canada 5
#4 Austria 1
#5 Denmark 1
#6 Spain 1

Patent filings per year

Chart showing DAVISON GREGORY CALDWELLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Davison Gregory Caldwell 21

Latest patents

Publication Filing date Title
ES131752A1 A system of frames for cannons.
CA169018A Torpedo aiming and launching mechanism
US1196745A Apparatus for launching automobile torpedoes.
CA149878A Diesel engine
GB191209851A Improvements in and relating to Torpedo Launching Apparatus.
CA139744A Motive fluid generating apparatus
CA139743A Torpedo launching apparatus
GB191123797A Improvements in and relating to Hydroplane Arrangements for Submarine and Submergible Boats and the like.
GB191120621A Improvements in Ignition Devices for Motive Fluid Generators for Automobile Torpedoes.
GB191119451A Improvements in and relating to Torpedo Launching Apparatus.
US1073100A Folding hydroplane for submersible boats.
GB191007461A Improvements in Apparatus for Generating Motive Fluid for Automobile Torpedoes.
US977438A Automobile torpedo.
US951725A Speed-regulator.
US946659A Depth-regulating mechanism for moving vessels.
GB190722130A Improvements in Automobile Torpedoes.
US733818A Compound turbine.
US672357A Clock-dial.
US669457A Speed-indicator.
CA347276A Artillery