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LANGBEIN & ENGELBRECHT

Overview
  • Total Patents
    22
About

LANGBEIN & ENGELBRECHT has a total of 22 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Germany, United States and United Kingdom. Its main competitors in its focus markets chemical engineering, thermal processes and environmental technology are GUSTAFSSON PER ERIK, PINCHES DAVID KENNETH and NAT DRYING MACHINERY COMPANY.

Patent filings in countries

World map showing LANGBEIN & ENGELBRECHTs patent filings in countries
# Country Total Patents
#1 Germany 10
#2 United States 3
#3 United Kingdom 2
#4 Austria 1
#5 Switzerland 1
#6 EPO (European Patent Office) 1
#7 France 1
#8 Italy 1
#9 Netherlands 1
#10 Norway 1

Patent filings per year

Chart showing LANGBEIN & ENGELBRECHTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bannenberg Udo 6
#2 Schneider Heiko 3
#3 Wallstein Dieter 3
#4 Peter Klaus-Juergen 2
#5 Stamm Wolfgang 2
#6 Kaehmann Peter 1
#7 Wallstein Dieter Dipl Ing 1
#8 Wallstein Dieter Ing Grad 1
#9 Ting Kenneth 1
#10 Dosdogru Guenay Dr Ing 1

Latest patents

Publication Filing date Title
EP0638524A1 Installation for reducing the degree of moisture of sludge
DE4408807A1 Fluidised drier bed jets directed above plane of neighbouring jets
DE4306584C1 Device for the floating guidance of a material web
DE3909928A1 Glass tube heat exchanger
DE3909465A1 Glass tube heat exchanger
DE3737538A1 Device for treating industrial waste gases
DE3534822A1 Glass tube heat exchanger
DE3311774A1 Heating element
DE3142485A1 GLASS PIPE HEAT EXCHANGER
DE3130450A1 Device for drying material webs or sheets
DE3004837A1 Heat exchanger - with exchanger tubes sealed in tube plates by tapered sheet metal gland for O=rings