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JOHAN BJORKSTEN

Overview
  • Total Patents
    22
About

JOHAN BJORKSTEN has a total of 22 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States. Its main competitors in its focus markets machines, environmental technology and macromolecular chemistry and polymers are KISH PLASTIC PRODUCTS INC, NANBU KASEI KK and BAKELITTFAB AS.

Patent filings in countries

World map showing JOHAN BJORKSTENs patent filings in countries
# Country Total Patents
#1 United States 22

Patent filings per year

Chart showing JOHAN BJORKSTENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johan Bjorksten 15
#2 Charley Gustafsson 3
#3 Tor Smedslund 1
#4 Rock E 1
#5 Paquette Elmer G 1
#6 Bjorksten Johan 1
#7 Richard Waller 1

Latest patents

Publication Filing date Title
US3782919A Method of mixing with inclined rotary kiln to provide metal foam
US3477157A Advertising display
US3502113A Tubular article and method of manufacture
US2848389A Water purifier
US2994108A Process for forming a perforated thermoplastic sheet
US2816322A Pipelaying method
US2807912A Pelagic solar still and method for supporting plant growth
US2813063A Solar still
US2788316A Solar still
US2760233A Method of making curved sheets from polymerizable material
US2767519A Methods for treating glass fibers
US2718684A Pipelaying method and machine
US2767501A Fishing device
US2529536A Fluid evaporating device
US2389292A Preparation of protein compositions and masses having improved physical characteristics
US2563151A Machine for cleaning solid articles
US2366813A Resinous substances and process of preparation
US2261748A Chlorinated hydrocarbon resin
US2332196A Friction reducing surface coating
US2205807A Plant growth stimulant