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DOBSON ALEXANDER

Overview
  • Total Patents
    19
About

DOBSON ALEXANDER has a total of 19 patent applications. Its first patent ever was published in 1899. It filed its patents most often in Canada, United Kingdom and United States. Its main competitors in its focus markets basic materials chemistry and civil engineering are SCHLICKEYSEN CARL FRIEDRICH, TURVERUUKKI OY and HESEPER TORFWERK GMBH.

Patent filings in countries

World map showing DOBSON ALEXANDERs patent filings in countries
# Country Total Patents
#1 Canada 11
#2 United Kingdom 6
#3 United States 2

Patent filings per year

Chart showing DOBSON ALEXANDERs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Working-up peat
#2 Mining

Top inventors

# Name Total Patents
#1 Dobson Alexander 19
#2 Irwin Wilson 4

Latest patents

Publication Filing date Title
CA102691A Shocker
GB190313494A Improvements in Peat Harvesting Machines.
US758624A Peat-harvesting machine.
CA84329A Peat harvesting machine
GB190216726A Improved Method of Pressing Peat Blocks.
US735476A Method of pressing peat-blocks.
CA78522A Method of pressing peat blocks
GB190124492A Improvements in Apparatus for Harvesting Peat.
GB190124491A Improvements in the Method of and Apparatus for Cutting and Drying Peat.
CA77484A Apparatus for harvesting peat
CA77436A Method of drying peat
GB190113875A Improvements in Peat Presses
CA72239A Peat press
GB189925436A Improvements in Peat Fuel Dryers.
CA67937A Peat fuel dryer
CA220139A Bundle carrier operating device
CA39425A Reel
CA48987A Cleaning attachement for dust collectors
CA24175A Machine for bolting or dressing flour