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BOIJ KARL O A

Overview
  • Total Patents
    16
About

BOIJ KARL O A has a total of 16 patent applications. Its first patent ever was published in 1957. It filed its patents most often in Canada, EPO (European Patent Office) and Germany. Its main competitors in its focus markets thermal processes, furniture and games and basic materials chemistry are VOGT GUT A G H, POLIDORO SILVIO and ANDERSEN MARTIN GEORG.

Patent filings per year

Chart showing BOIJ KARL O As patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Burners
#2 Domestic stoves
#3 Kitchen equipment
#4 Fuels

Top inventors

# Name Total Patents
#1 Boij Karl Oskar Arne 9
#2 Boij Karl O A 4
#3 Johansson Bertil Karl Axel 2
#4 Johansson Bertil K A 2
#5 Johansson Carl A B 1

Latest patents

Publication Filing date Title
EP0294444A1 Spirit stove.
EP0205438A1 A fuel mixture for spirit fired boiling and heating apparatus
US4544348A Apparatus for burning spirit or the like liquid fuel
US3627463A Apparatus for burning spirit and similar liquid fuels
GB1073543A Apparatus for burning spirit and similar liquid fuels
GB813558A Improvements in or relating to spirit stoves
CA780688A Apparatus for burning spirit and similar liquid fuels
CA636659A Spirit stoves
CA682624A Apparatus for burning spirit or similar liquid fuel