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MORISON DONALD BARNS

Overview
  • Total Patents
    241
About

MORISON DONALD BARNS has a total of 241 patent applications. Its first patent ever was published in 1889. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets thermal processes, engines, pumps and turbines and machines are DONALD BARNS MORISON, KARL IMFELD DIPL ING and MAURICE DELAPORTE.

Patent filings in countries

World map showing MORISON DONALD BARNSs patent filings in countries
# Country Total Patents
#1 United Kingdom 98
#2 United States 43
#3 Canada 27
#4 Austria 19
#5 Denmark 19
#6 Spain 19
#7 Switzerland 16

Patent filings per year

Chart showing MORISON DONALD BARNSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Morison Donald Barns 206
#2 Donald Barns Morison 16
#3 Bonnyman James Smith 1
#4 Gearing Ernest 1

Latest patents

Publication Filing date Title
CA190292A Ejector
GB129871A Improvements in and connected with Steam Condensing Apparatus.
US1280809A Apparatus for withdrawing fluids from vessels.
GB129775A Improvements in Steam-condensing Plant.
GB129405A Improvements in and relating to Steam Engine Construction.
GB122230A Improvements in Indicating and Recording Apparatus.
GB121775A Improved Method of and Apparatus for Condensing Steam.
GB120442A Improvements in Apparatus for Filtering Liquids.
CA195227A Steam condensing plant
CA195226A Steam condensing plant
CA180655A Feed water heater for boilers
GB119483A Improvements in or relating to Ejector Apparatus.
US1265480A Method of producing low vacuum in steam-condensers.
CA195225A Steam condenser
US1243201A Steam-condensing plant.
GB111531A Improvements in or relating to Recording Apparatus.
GB126035A Improvements in or relating to Steam Condensing Plant.
GB109115A Improvements in Apparatus for Indicating a Difference between Two Pressures.
CA176432A Apparatus for dischargig aerated vapour from steam condensers
US1246771A Steam-condensing plant.