Learn more

DAW ALBERT WILLIAMS

Overview
  • Total Patents
    31
About

DAW ALBERT WILLIAMS has a total of 31 patent applications. Its first patent ever was published in 1888. It filed its patents most often in United Kingdom, Spain and Canada. Its main competitors in its focus markets machine tools, civil engineering and engines, pumps and turbines are ROCKDRILL SERVICES AUSTRALIA PTY LTD, KLEMM GUENTER and REEDRILL INC.

Patent filings in countries

World map showing DAW ALBERT WILLIAMSs patent filings in countries
# Country Total Patents
#1 United Kingdom 20
#2 Spain 5
#3 Canada 3
#4 United States 2
#5 Switzerland 1

Patent filings per year

Chart showing DAW ALBERT WILLIAMSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Daw Albert Williams 25
#2 Daw Zacharias Williams 24
#3 Albert Williams Daw 1

Latest patents

Publication Filing date Title
ES111486A1 Improvements in internal combustion rotary engines.
ES111327A1 Improvements in internal combustion rotary engines.
GB191315931A An Improved Dust Collector for use with Rock Drills.
GB191305613A Improvements in Valves for Pneumatic Hammers, Pneumatic Hammer Drills, Percussive Drills, Direct Acting Pumps and Engines.
GB191201461A Improvements in Hammer Rock Drills and in Percussive Hammers and similar Tools.
GB191102595A Improvements in or relating to Hammer Rock Drills, Percussive Hammers and similar Tools.
GB191015511A Improvements in Hammer Rock Drills and in Percussive Hammers and similar Tools.
GB191012324A Improvements in Valves for Percussive Rock Drills, Pneumatic Hammers, Pneumatic Hammer Drills, Direct Acting Pumps and Engines.
GB191009052A Improvements in or relating to the Valves and Valve Mechanism specially suitable for Engines for Compressing Air and Gases.
GB190718027A Improvements in and connected with Valves for Percussive Rock Drills, Pneumatic Hammers, Direct Acting Pumps and Engines.
GB190714636A Improvements in or relating to Valve Mechanism specially suitable for Engines for Compressing Air and Gases.
GB190626499A Improvements in or relating to Valve Mechanism specially suitable for Engines for Compressing Air and Gases.
US847739A Valve for percussive rock-drills.
GB190519086A Improvements in and connected with Valves for Percussive Rock Drills, Direct Acting Pumps and Engines.
GB190412085A Improvements in or relating to Valve Mechanism specially suitable for Engines for Compressing Air and Gases.
GB190220907A Improvements in Turbines Actuated by Steam, Compressed Air or Gases.
US765359A Valve mechanism for air-compressors or the like.
GB190200683A Improvements in or relating to Valve Mechanism Specially Suitable for Engines for Compressing Air and Gases.
GB189816989A Improvements in the Feed Mechanism of Percussive Rock Drills.
GB189626887A Improvements in and connected with Rock Drills.