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GRUENZWEIG HARTMANN GLASFASER

Overview
  • Total Patents
    330
About

GRUENZWEIG HARTMANN GLASFASER has a total of 330 patent applications. Its first patent ever was published in 1962. It filed its patents most often in Germany, EPO (European Patent Office) and France. Its main competitors in its focus markets civil engineering, materials and metallurgy and mechanical elements are MICROTHERM INT LTD, KRATEL GUENTER and BENGBU LONGHUAI CONSTRUCTION TECH CO LTD.

Patent filings per year

Chart showing GRUENZWEIG HARTMANN GLASFASERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kummermehr Hans 67
#2 Krzyzanowski Erich 14
#3 Sommer Rolf 13
#4 Bissinger Fridolin 10
#5 Sistermann Klaus 9
#6 Falensky Georg 8
#7 Mohr Guenther 7
#8 Steinkopf Bernd Dipl Chem Dr 7
#9 Horres Johannes 7
#10 Bengl Dieter 6

Latest patents

Publication Filing date Title
DE3715220A1 FAÇADE CLOTHING
DE3713526A1 Process for producing insulating material for high-temperature use
DE3713108A1 Process and apparatus for applying marking lines to a mineral-fibre membrane containing a binder
DE3706487A1 Insulating panel, in particular consisting of mineral fibres
IE870403L Process for melting silicate raw materials
DE3626366A1 Mineral fibre felt in the form of rolls or slabs for the insulation of hot surfaces on heating devices, and process for the production thereof and a heating device equipped therewith
DE3626382A1 Mineral fibre felt in the form of rolls or slabs for insulating hot surfaces on heating devices and process for the production thereof and heating device equipped therewith
DE3624736A1 Mineral-fibre-based flameproof insulation and process for producing the flameproof insulation
DE3612858C1 Process for installing mineral fiber material in roll form in an elongated installation space delimited by side supports, and mineral fiber web suitable for carrying out the process, and process for its production
DE3605509A1 METHOD FOR MELTING SILICATIC RAW MATERIALS, ESPECIALLY FOR THE PRODUCTION OF MINERAL WOOL, AND DEVICE FOR PREHEATING THE MIXTURE OF RAW MATERIALS AND CLEANING DEVICE FOR THE TUBE EXHAUST GASES THROUGH THE PROCEDURE
EP0178679A2 Method for making a preferably binder-free mat of mineral fibres, mat of mineral fibres so obtained, and apparatus for carrying out said method
DE3536156A1 Prefabricated pipe element, in particular for chimneys
DE3536174C1 Method and device for laminating a pipe insulation shell with a film
DE3536137C1 Method and device for producing fibers from thermoplastic materials, in particular glass fibers
DE3535603A1 Consumable foundry pattern made from foamed plastic, in particular styrene polymer
IE851297L Producing mineral fibres by blast drawing
DE3514822A1 PIPE INSULATION SHELL MADE OF MINERAL FIBERS AND HERE INSULATED PIPELINE
DE3512089A1 Circumferential insulation for round pipes, in particular for chimneys
DE3510935A1 Fire-resistant wall element which reduces the passage of heat and is intended in particular as an insert for a fire-retardant door, process for the production thereof and fire-retardant door equipped therewith
DE3509426A1 DEVICE FOR THE PRODUCTION OF MINERAL FIBERS FROM SILICATIVE RAW MATERIALS, IN PARTICULAR BASALT WITH A MODULAR VISCOSITY MODULE OF AT LEAST 1.5, AFTER THE NOZZLE BLOWING PROCESS