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NORDISKA ARMATURFAB AB

Overview
  • Total Patents
    274
About

NORDISKA ARMATURFAB AB has a total of 274 patent applications. Its first patent ever was published in 1927. It filed its patents most often in Finland, United Kingdom and Germany. Its main competitors in its focus markets mechanical elements, machine tools and measurement are VAUGHAN AND BUSHNELL MFG CO, SVENSKA HAMMARAKTIEBOLAGET and NITTETSU JITSUGYO CO LTD.

Patent filings in countries

World map showing NORDISKA ARMATURFAB ABs patent filings in countries
# Country Total Patents
#1 Finland 71
#2 United Kingdom 39
#3 Germany 38
#4 Denmark 34
#5 France 19
#6 Switzerland 16
#7 Sweden 14
#8 United States 13
#9 Austria 12
#10 Canada 12
#11 Norway 2
#12 Belgium 1
#13 Greece 1
#14 Ireland 1
#15 Iceland 1

Patent filings per year

Chart showing NORDISKA ARMATURFAB ABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nordiska Armaturfabrikerna Akt 13
#2 Waloddi Weibull Ernst Hjalmar 9
#3 Gustaf Hysing Erik 8
#4 Torsten Samson 6
#5 Alfred Wilhelmsson Thure 6
#6 Wilhelmsson Thure Alfred 5
#7 Hargell P 5
#8 Wilhelmsson T 4
#9 Bernhard Haakansson Ernst 3
#10 Weibull Ernst Hjalmar Waloddi 3

Latest patents

Publication Filing date Title
GB1220742A Butterfly valve
GB1122344A Improvements in or relating to radiators
GB1163125A Butterfly Valve.
GB1137535A Return coupling for radiators
US3388038A Apparatus for charging a continuous digester
GB1012916A A percussion fuze
DE1232425B Arrangement for displaying the position of a pressure medium-operated valve via a volume meter
DE1198249B Directional device
DE1214959B Gate valve
GB931348A Safety means for rotating projectiles
DE1181516B Liftable overpressure safety valve
GB938033A Improvements in gate valves controlling fluid flow
GB922362A Improvements in or relating to safety valves
GB958810A Improvements in or relating to valves for controlling fluid flow
GB900336A Improvements in and/or relating to oil burners
GB908919A Improvements in and relating to valve devices
GB893870A Improvements in and relating to fluid control valves
DE1260254B Valve with a flat valve seat
US3023802A Rotating oil burner
GB862536A Improvements in valve closure members or bodies