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GRAU HANS

Overview
  • Total Patents
    17
About

GRAU HANS has a total of 17 patent applications. Its first patent ever was published in 1923. It filed its patents most often in Germany, Austria and Switzerland. Its main competitors in its focus markets machine tools, civil engineering and electrical machinery and energy are ROCK ISLAND MILLWORK COMPANY, COMPAK SYST and ERNST GRETEN.

Patent filings in countries

World map showing GRAU HANSs patent filings in countries
# Country Total Patents
#1 Germany 12
#2 Austria 2
#3 Switzerland 1
#4 France 1
#5 United Kingdom 1

Patent filings per year

Chart showing GRAU HANSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Grau Hans 12
#2 Hans Grau 1

Latest patents

Publication Filing date Title
DE3244750A1 Roller shutter box
DE3244751A1 Roller shutter box
DE3007499A1 Continuous prodn. of roller blind slats - where thermosetting resin mix is moulded in chain of tools fitting closely together
DE3002087A1 Continuously moulded channel section for roller blind housing - has trimming angles at flange tips fitted during moulding process
DE2738716A1 DEVICE FOR THE CONTINUOUS PRODUCTION OF SHAPES
DE2723608A1 U=Shaped pressed composite roller shutter case - has divided insulating panel in groove between inner shank and cross stem
DE2658807B1 Device for the continuous production of moldings
FR2360393A1 Continuous extrusion of composite trough profiles - for automated production of casings of any length
DE2604920A1 Channel section extruding appts. - has die extruding mixt. of wood shavings and bonding agent into indexable moulds in which sections are set
DE2527835A1 Insulating roller shutter case for wall opening - comprises separated section of U-profile extruded from filler and binder
DE2527840A1 Extruded roller blind box sections - made by rhythmically forcing binder filled with wood wool through heated profiled die
DE2454234A1 Nailing machine seal-off walls feeder - has sets of guides and supports for profile sections
DE2451447A1 Power hammer for large headed nails - has spring loaded guides to swing outwards as nail is driven home
GB219010A Improvements in electrical heaters