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DOUGLAS ROWNSON LTD

Overview
  • Total Patents
    25
About

DOUGLAS ROWNSON LTD has a total of 25 patent applications. Its first patent ever was published in 1964. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets packaging and shipping, environmental technology and basic materials chemistry are BERTOLINI DIONISIO, COLUBRA LAMSAT SPA and COMPUTER AIDED SYSTEMS INC.

Patent filings in countries

World map showing DOUGLAS ROWNSON LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 Germany 6
#3 France 6
#4 Denmark 1
#5 Spain 1
#6 United States 1

Patent filings per year

Chart showing DOUGLAS ROWNSON LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Decourcy Roland John James 5
#2 Courcy Rowland John James De 2
#3 Courcy Roland John James De 2
#4 Thain J 1
#5 George Miles-Marsh Donald 1
#6 De Courcy R 1
#7 James Decourcy Roland John 1
#8 Collins Lionel George 1
#9 Morrison Percival Henry 1
#10 Thain James 1

Latest patents

Publication Filing date Title
GB1480725A Conveyors
US3814233A Conveyors
GB1384551A Conveyors
ES405054A1 Methods of and apparatus for the treatment of manure
GB1299605A Improvements relating to slat type conveyors
DE1667791A1 Method for treating poultry manure and the like.
GB1155248A Improvements relating to Conveyors.
FR1486010A Advanced carrier
FR1472569A Advanced pallet loading device
GB1062720A Improvements relating to conveyor systems
FR1450328A Advanced belt conveyor
GB1138682A Improvements relating to conveyors
GB1136393A Improvements relating to conveyors
GB1068718A Improvements relating to pallet loading apparatus
GB1056890A Improvements relating to belt conveyors
GB1100338A Improvements relating to rotary pumps