TREA

Hein, Lehmann AG

Follow

Organization

  • Dusseldorf 1, DE
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Flip-flop screening machine
    • Patent number 11,453,033
    • Issue date Sep 27, 2022
    • HEIN, LEHMANN GMBH
    • Andree Stockhowe
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Flip-flow screener machine with optimised screen bottom fastening
    • Patent number 11,198,158
    • Issue date Dec 14, 2021
    • HEIN, LEHMANN GMBH
    • Markus Kirchner
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Slit-tube filter
    • Patent number 4,983,290
    • Issue date Jan 8, 1991
    • Hein, Lehmann AG
    • Gunter Schumann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Screen lining
    • Patent number 4,871,288
    • Issue date Oct 3, 1989
    • Hein, Lehmann AG
    • Gerhard Schmidt
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Method of forming sieve unit for screening machine
    • Patent number 4,861,462
    • Issue date Aug 29, 1989
    • Hein, Lehmann AG
    • Wolfgang Lehmann
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Screening machine with floating eccentric shaft
    • Patent number 4,819,810
    • Issue date Apr 11, 1989
    • Hein, Lehmann AG
    • Kurt Hoppe
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Screening device
    • Patent number 4,708,795
    • Issue date Nov 24, 1987
    • Hein, Lehmann AG
    • Gerhard Schmidt
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Continuously operating centrifuge
    • Patent number 4,645,540
    • Issue date Feb 24, 1987
    • Hein, Lehmann AG
    • Gunter Trojan
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Drum screening machine
    • Patent number 4,636,304
    • Issue date Jan 13, 1987
    • Hein, Lehmann AG
    • Kurt Hoppe
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Screening machine and method
    • Patent number 4,600,506
    • Issue date Jul 15, 1986
    • Hein, Lehmann AG
    • Kurt Hoppe
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Device for separating a filler mass
    • Patent number 4,412,865
    • Issue date Nov 1, 1983
    • Hein, Lehmann AG
    • Heinrich Schmidt
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Method and device for coating elements and screen elements made the...
    • Patent number 4,396,503
    • Issue date Aug 2, 1983
    • Hein Lehmann AG
    • Gerhard Schmidt
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Screen bottom system
    • Patent number 4,383,919
    • Issue date May 17, 1983
    • Hein, Lehmann AG
    • Gerhard Schmidt
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Belt filter press
    • Patent number 4,297,215
    • Issue date Oct 27, 1981
    • Hein, Lehmann AG
    • Hans J. Altmeyer
    • B30 - PRESSES
  • Information Patent Grant

    Side seal assembly for a screening machine
    • Patent number 4,248,701
    • Issue date Feb 3, 1981
    • Hein, Lehmann AG
    • Theo Wenzel
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Method and device for feeding weft wires
    • Patent number 4,241,767
    • Issue date Dec 30, 1980
    • Hein, Lehmann Aktiengesellschaft
    • Hans Laddach
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Screen with tubular frame systems coupled for rectilinear motion
    • Patent number 4,188,288
    • Issue date Feb 12, 1980
    • Hein, Lehmann AG
    • Albert Wehner
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Centrifuge
    • Patent number 3,970,470
    • Issue date Jul 20, 1976
    • Hein, Lehmann A.G.
    • Gunter Trojan
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    79370105 - HEIN LEHMANN
    • Serial number 79370105
    • Filing date Apr 26, 2023
    • HEIN, LEHMANN GmbH
    • 6 - Common metals and their alloys
  • Information Trademark

    79159819 - HEIN LEHMANN
    • Serial number 79159819
    • Registration number 4961946
    • Filing date Jul 17, 2014
    • HEIN, LEHMANN GmbH
    • 6 - Common metals and their alloys
  • Information Trademark

    73269870 - FLIP-FLOW
    • Serial number 73269870
    • Registration number 1205144
    • Filing date Jul 11, 1980
    • Hein, Lehmann AG
    • 7 - Machines and machine tools
  • Information Trademark

    73269869 - LIWELL
    • Serial number 73269869
    • Registration number 1177848
    • Filing date Jul 11, 1980
    • Hein, Lehmann AG
    • 7 - Machines and machine tools