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BLEFA AG

Overview
  • Total Patents
    47
About

BLEFA AG has a total of 47 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Germany, Netherlands and France. Its main competitors in its focus markets civil engineering, environmental technology and packaging and shipping are CECO CORP, SCHMIDT ERNST and HERBERT ABRAHAM.

Patent filings in countries

World map showing BLEFA AGs patent filings in countries
# Country Total Patents
#1 Germany 22
#2 Netherlands 7
#3 France 6
#4 Switzerland 3
#5 Denmark 3
#6 Italy 3
#7 Luxembourg 2
#8 United Kingdom 1

Patent filings per year

Chart showing BLEFA AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Koester Heinz 8
#2 Siebel Helmut 5
#3 Plempe Gerhard 5
#4 Siebel Helmut Ing Grad 4
#5 Obst Joachim 3
#6 Stahl Josef 3
#7 Klein Guenter 2
#8 Mueller Helmut Ing Grad 2
#9 Kosiahn Horst Ing Grad 2
#10 Fritz Josef 2

Latest patents

Publication Filing date Title
LU82940A1 Cover collar for roof windows or similar roof installations
DE2946514A1 COVER COLLAR FOR ROOF WINDOWS O.AE. ROOF INSTALLATION
DE2929604A1 SLEEVED COLLAR FOR ROOF WINDOWS, SOLAR COLLECTORS OR OTHER ROOF INSTALLATIONS
DE2845524A1 Sheet-metal one-piece pallet - has extensions bent over to bear against profiled supports and seams may be welded
DE2844482A1 Swinging roof window construction - has seal between case and frame on unit protruding from case interior
DE2840426B1 palette
DE2830307A1 Barrel prodn. method from welded sheet metal - uses plane sheets formed into ends by deep drawing followed by welding to shell
DE2819353A1 LIVING ROOM WINDOWS
DE2810164A1 Plastics vessel with sheet metal cladding - has sheet metal feet with recesses for cladding and stacking
DE2809523A1 Hopper with interchangeable vibrator mechanism - has flange enclosing outlet with fixing devices for coupling to vibrator
DE2752414B1 Skylight
DE2751996A1 SHUTTERS FOR ROOF WINDOWS
DE2734917A1 Alloy steel beer barrel - has end impact rings formed by outer steel parts and inner ones of aluminium (alloy) or plastics
DE2733126A1 Barrel with metal rings - has plastics head and protective foot rings positively enclosing metal rings
DE2731603A1 Barrel with separate head and foot rings - uses rings of highly flexible material for connection to body of barrel
CH610043A5 Dormer window
DE2635013A1 Positioning a vessel in a mould - by pressing it against a peg with force exerted at the vessel filling hole
DE2634946A1 Beer barrel enveloped in plastics foam - has one part of shell joints provided with outer cylindrical flange of larger dia. than shell, to reinforce structure
DE2626199A1 Steplessly adjustable roller curtain with side guides - has elliptical roller as holder in slotted guide tube profile
DE2617330A1 Plastics foam coated barrel - has bunghole reinforcing member enclosed in foam coating