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WEIDTMANN FA WILHELM

Overview
  • Total Patents
    108
About

WEIDTMANN FA WILHELM has a total of 108 patent applications. Its first patent ever was published in 1939. It filed its patents most often in Germany, Austria and Switzerland. Its main competitors in its focus markets civil engineering and surface technology and coating are MAYER & CO, MAYER & CO RIEGEL BESCHLAG and FUHR C FA.

Patent filings in countries

World map showing WEIDTMANN FA WILHELMs patent filings in countries
# Country Total Patents
#1 Germany 71
#2 Austria 18
#3 Switzerland 13
#4 Netherlands 4
#5 Italy 1
#6 Sweden 1

Patent filings per year

Chart showing WEIDTMANN FA WILHELMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bernotat Helmut 21
#2 Bolzenkoetter Bruno 19
#3 Hammel Kurt 12
#4 Schneider Lutz 11
#5 Belitza Paul 5
#6 Oberwinster Karl-Heinz 5
#7 Riedel Werner 5
#8 Buhr Hermann 4
#9 Helmut Bernotat 4
#10 Wolfram Norbert 3

Latest patents

Publication Filing date Title
DE2650899A1 Lock for securing covering grid of shaft - has rotating actuating knob on lock housing not accessible from outside
DE2635708A1 Window locking arm connection strip - is U=shaped, with teeth to grip arm and holes for rivets for second arm
DE2506003A1 Connector for window actuator cover strips - has toothed segment and pin for ensuring adjustment in connection
DE2436266A1 Connector for window actuating rods - has external and internal teeth for compensating overall length variations
DE2434303A1 Corner bearing for rotating and tilting window - has fixed bearing seat with precision adjustment for moving frame
DE2426950A1 EDGE SEAL FOR LEAVES OF WINDOWS, DOORS OR DGL.
DE2417101A1 Door or window frame locks - consist of one unit which can be sunk into frame or externally attached to it
DE2340551A1 FITTINGS FOR LEAVES OF WINDOWS, DOORS AND THE LIKE. IN PARTICULAR, TILTING WINGS
DE2335228A1 Adjustable fitting for hollow profile window frames - is held in hollow profile by clamping plates and screw used simultaneously for adjustment
DE2300268A1 HOLLOW PROFILE FRAME MADE OF METAL OR PLASTIC FOR WINDOWS, DOORS OR. DGL
DE2300308A1 BRACKET FOR FITTING UNITS
DE2261433A1 FITTINGS FOR HORIZONTALLY SLIDING LEAVES OF WINDOWS, DOORS OR LOWERING IN ANY SLIDING POSITION REQUIRED. DGL
DE2250840A1 DEVICE FOR WINDOWS, DOORS OR. DGL. WITH TILT & TILT WING MOUNTED ON THE FRAME
DE2235753A1 DEVICE AGAINST ERROR OPERATION ON OPEN, IN PARTICULAR TILT TURN - LEAVES OF WINDOWS, DOORS OR DGL
DE2202433A1 SNAP DEVICE
DE2142976A1 ANGLE DRIVE FOR WINDOWS, DOORS OR DGL
DE2129517A1 Closure device for wings of windows, doors or the like.
DE2041515A1 Espagnolette lock for sashes of windows, doors or the like.
DE2022530A1 Closure device for wings of windows, doors or the like.
DE2019682A1 Tilting device for turn-tilt sashes of windows, doors or the like.