Learn more

BOYSEN FRIEDRICH KG

Overview
  • Total Patents
    21
About

BOYSEN FRIEDRICH KG has a total of 21 patent applications. Its first patent ever was published in 1970. It filed its patents most often in Germany, France and Brazil. Its main competitors in its focus markets environmental technology, packaging and shipping and mechanical elements are DORCHESTER ENTERPRISES LTD, HARMO IND LTD and HUTCHINSON S R L.

Patent filings in countries

World map showing BOYSEN FRIEDRICH KGs patent filings in countries
# Country Total Patents
#1 Germany 9
#2 France 4
#3 Brazil 2
#4 United Kingdom 2
#5 Belgium 1
#6 Switzerland 1
#7 Italy 1
#8 United States 1

Patent filings per year

Chart showing BOYSEN FRIEDRICH KGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kern Herbert 4
#2 Seeger Walter 2
#3 Duemmel K 2
#4 Duemmel Karl-Heinz 2
#5 Brautigam H 1
#6 Renz Werner 1
#7 Riehl Kalr-Heinz Dipl Ing 1
#8 Riehl K 1
#9 Diez R 1
#10 Diez Rainer 1

Latest patents

Publication Filing date Title
DE2539517A1 IC engine exhaust system spark trap - has wire mesh fitted within normal exhaust pipe dia.
DE2539516A1 Silencer for hand held IC engine - has outlet injector for cooling air to mix with exhaust in diffusing action
DE2364425A1 Catalyst chamber construction - for a monolithic catalyst used in after-burning of unburnt constituents in exhaust gases
DE2332014A1 Plastic canister for petrol - pivot discharge tube across outlet forming carrying grip
DE2243351A1 CANISTERS FOR PETROL OR OTHER LIQUIDS
US3864909A Thermal reactor with relatively movable internal pipe sections
DE2200815A1 PIPING, IN PARTICULAR FOR THERMAL REACTORS
DE2137699A1 PIPING WITH AN INSULATING SHEATH FOR HOT MEDIA, IN PARTICULAR THERMAL REACTOR IN EXHAUST GAS PIPES OF COMBUSTION ENGINE OR DGL
DE2060630B1 Exhaust gas decontamination system for multi-cylinder reciprocating and rotary piston internal combustion engines