Learn more

HEIN

Overview
  • Total Patents
    52
About

HEIN has a total of 52 patent applications. Its first patent ever was published in 1924. It filed its patents most often in Germany, France and Belgium. Its main competitors in its focus markets chemical engineering, transport and machines are HEIN LEHMANN & CO A G, EVODOS B V and INT SEPARATION TECHN INC.

Patent filings in countries

World map showing HEINs patent filings in countries
# Country Total Patents
#1 Germany 28
#2 France 22
#3 Belgium 1
#4 United States 1

Patent filings per year

Chart showing HEINs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schmidt Heinrich Dipl-Ing 3
#2 Sietz Heinrich 3
#3 Braeckerbohm Franz 2
#4 Riedel Erich 1
#5 Riedel Erich O 1
#6 Hein George C 1
#7 Joseph Hajek 1
#8 Koenig Georg 1
#9 Schmidt Dipl-Ing Heinrich 1
#10 Hein Hans-Werner 1

Latest patents

Publication Filing date Title
DE19906793A1 Screw fitment for drain cocks or nozzles
DE2720973A1 Vacuum extraction aid for child-birth - has dish which encloses plate with strain gauges for facilitating control on operation
DE1178712B Brake device for aircraft barriers
US2664604A Air conditioning apparatus and liquid metering device
DE741276C Swivel axis absorption
DE700284C Device to reduce the expansion underneath the antenna mast and the associated metal armature
DE702910C Reinforcement of broadly pressed pipe ends when connecting pipe-shaped structural members
DE652831C Earth stake for wire fences and for wire fencing
DE651917C Hydraulic remote control for railway safety devices
DE445041C Switching of electrically operated signal boxes
DE448747C Wing brake for electrically or mechanically adjustable signals
DE412663C Box to accommodate the motor and gearbox of electrical point machines
DE541611C Support masts for directional antennas
DE488046C Iron forge
DE552157C Track ledger to connect fixed and movable rail strings
DE440982C Switching of electrical point machines
DE546846C Support masts for vertical surface antennas