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BOLIDENS GRUV AB

Overview
  • Total Patents
    279
About

BOLIDENS GRUV AB has a total of 279 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets materials and metallurgy, machine tools and measurement are PHIBRO TECH INC, BORAX HOLDINGS LTD and HICKSONS TIMBER PRODUCTS LTD.

Patent filings in countries

World map showing BOLIDENS GRUV ABs patent filings in countries
# Country Total Patents
#1 United States 51
#2 United Kingdom 48
#3 Canada 42
#4 France 37
#5 Finland 33
#6 Germany 32
#7 Denmark 15
#8 Spain 9
#9 Austria 5
#10 Switzerland 5
#11 Belgium 1
#12 Greece 1

Patent filings per year

Chart showing BOLIDENS GRUV ABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 David Malmqvist Johan 9
#2 Olof Hager Bror 9
#3 Johan Wallden Sven 8
#4 Malmqvist Johan David 7
#5 Rudolf Lindblad Axel 6
#6 Wallden Sven Johan 5
#7 Gudmar Kihlstedt Per 4
#8 Fahlstroem Per Anders Herman H 4
#9 Kihlstedt Per Gudmar 4
#10 Sture Kalling Bo Michael 4

Latest patents

Publication Filing date Title
ES329870A1 A procedure for aggloming a fine grain product. (Machine-translation by Google Translate, not legally binding)
ES319833A2 Procedure for calcing sulfuro ferruginous materials. (Machine-translation by Google Translate, not legally binding)
DE1219871B Apparatus for classifying a material consisting of fine particles
DE1231855B Method and system for weighing predetermined amounts of liquid metal during casting
US3319728A Automatic weigher and rotary mold conveyor for liquid metal
DE1193254B Electrothermal process and electric furnace for the production of metals, in particular lead and iron
US3221914A Arrangement for emptying pit casks
GB973396A Apparatus for froth flotation
DE1182612B Foam flotation apparatus
GB995586A A screening device in a rotatable drum intended for grinding and/or mixing material
US3219284A Screening device in a rotatable drum intended for grinding and/or mixing material
DE1188299B Method and device for the mechanical production of cathode sheet units for electrolytic copper refining
GB957962A A process for the production of start sheets and an apparatus for carrying out the process
US3181800A Method of comminuting materials by autogenous grinding in a continuous grinding mill
US3099598A Wood preservative
ES270234A1 A procedure for preparing a product for the impregnation of wood for its protection (Machine-translation by Google Translate, not legally binding)
GB918872A Improvements relating to built-in winding drums for hoist cages
US3122019A Pendulum sampler
GB887762A Improvements in methods of raise driving and apparatus for carrying out said methods
US3085794A Raise driving apparatus