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DUNNE RALPH

Overview
  • Total Patents
    16
About

DUNNE RALPH has a total of 16 patent applications. Its first patent ever was published in 1903. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machine tools, machines and packaging and shipping are ZSIGER ATTILA, LEITZ GEB GMBH & CO and PRITELLI SPA.

Patent filings in countries

World map showing DUNNE RALPHs patent filings in countries
# Country Total Patents
#1 United States 5
#2 Canada 3
#3 United Kingdom 3
#4 Austria 2
#5 Switzerland 1
#6 Denmark 1
#7 Spain 1

Patent filings per year

Chart showing DUNNE RALPHs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Dunne Ralph 16

Latest patents

Publication Filing date Title
US957871A Miter-box.
CA96270A Clamp for making frames
GB190519516A Improvements in Clamps for use in Making Frames.
US817906A Miter-clamp.
GB190510797A Non Refillable Bottle.
CA96585A Non-refillable bottle
US794929A Non-refillable bottle.
US778642A Method of cutting material for forming miter-joints.
US748175A Miter-box.
CA83543A Device for cutting mitres
GB190307485A An Improved Frame for Holding Material to be Cut for Making Mitre Joints.