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DEFIBRATOR AB

Overview
  • Total Patents
    456
About

DEFIBRATOR AB has a total of 456 patent applications. Its first patent ever was published in 1932. It filed its patents most often in Canada, Sweden and United States. Its main competitors in its focus markets textiles and paper, machines and machine tools are REINHALL ROLF, REINHALL ROLF BERTIL and SUNDS DEFIBRATOR.

Patent filings in countries

World map showing DEFIBRATOR ABs patent filings in countries

Patent filings per year

Chart showing DEFIBRATOR ABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Reinhall Rolf B 29
#2 Arthur Asplund Arne Johan 25
#3 Reinhall R 24
#4 Bertil Reinhall Rolf 23
#5 Reinhall Rolf Bertil 22
#6 Asplund Arne Johan Arthur 16
#7 Asplund Arne J A 16
#8 Rolf Bertil Reinhall 15
#9 Johansson Johan G I 12
#10 Falkinger Willard 12

Latest patents

Publication Filing date Title
SE414584B Grinding-equipment arrangement for grinding apparatus for fibrous, in particular vegetable material
JPS54147201A Method and apparatus used in production of fiber pulp from lignocellulose containing material
FI790641A Anordning vid malorgan foer malapparater foer fibroest foeretraedesvis vegetabiliskt material
DE2902049A1 EQUIPMENT FOR GRINDERS FOR GROUND PRODUCTS CONTAINING LIGNO CELLULOSE
FR2413968A1 Loader for platen press moulding pattern in fibreboards - where board is carried on reversibly moving taut cloth
GB1602344A Sealing device for shafts
GB1595720A Pressure cyclone
GB1590704A Method end device for the continuous production of pulp from fibrous lignocellulosic materials
CA1064748A Process of making pulp from lignocellulose containing material
JPS5331801A Process for making pulp from lignocellulose containing material
DE2736809A1 EQUIPMENT FOR GRINDERS
US4073442A Electrically controlled system for regulating the grinding space in a grinding apparatus
GB1546978A Method and device for beating fibrous material
FI762535A Anordning foer att foerhindra metallisk kontakt samt foer att bestaemma och reglera avstaondet mellan malorgan
GB1507015A Device for preventing metallic contact and for determining and controlling the spacing between grinding members
US4017356A Apparatus and method for manufacturing wood pulp by grinding wood block material
GB1515885A Apparatus for manufacture of sheets or board units from cellulose or fibre material or shavings
US4042125A Method and apparatus for stacking and feeding blanks to a tiered multi-opening press for the production of pressed board
GB1515884A Conveyor plate for supporting sheets during the manufacture thereof
US3969184A Digestion odor control