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Alexander Esser

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  • Warstein, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Delivery pipe for the transport of solids
    • Patent number 7,967,031
    • Issue date Jun 28, 2011
    • Esser-Werke GmbH & Co. KG
    • Alexander Esser
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Double-layer pipe for fluidic transport of abrasive solids
    • Patent number 6,575,197
    • Issue date Jun 10, 2003
    • Esser-Werke KG
    • Alexander Esser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Transport pipe for solid materials
    • Patent number 6,520,211
    • Issue date Feb 18, 2003
    • Esser-Werke GmbH & Co. KG
    • Alexander Esser
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Arcuate double-layer pipe, and method of assembling an arcuate doub...
    • Patent number 6,520,213
    • Issue date Feb 18, 2003
    • Esser-Werke KG
    • Alexander Esser
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pipe bend for a pipeline for transport of abrasive materials
    • Patent number 6,494,234
    • Issue date Dec 17, 2002
    • Esser-Werke GmbH & Co. KG
    • Alexander Esser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Transport pipe for solid materials
    • Patent number 6,325,106
    • Issue date Dec 4, 2001
    • Esser-Werke GmbH & Co. KG
    • Alexander Esser
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pipe for conveying solids
    • Patent number 6,240,966
    • Issue date Jun 5, 2001
    • Esser-Werke GmbH & Co. KG
    • Alexander Esser
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Conveying pipe
    • Patent number 6,086,109
    • Issue date Jul 11, 2000
    • Esser-Werke GmbH & Co., KG
    • Alexander Esser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe bend
    • Patent number 5,984,374
    • Issue date Nov 16, 1999
    • Esser-Werke GmbH
    • Alexander Esser
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Connection of a coupling collar to and end of a hardened pipe
    • Patent number 5,893,588
    • Issue date Apr 13, 1999
    • Esser-Werke GmbH & Co. KG
    • Alexander Esser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Connection of steel pipes for conveying solid materials
    • Patent number 5,884,946
    • Issue date Mar 23, 1999
    • Esser-Werke GmbH & Co., KG
    • Alexander Esser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe for conveying solids
    • Patent number 5,813,437
    • Issue date Sep 29, 1998
    • Esser-Werke GmbH & Co. KG
    • Alexander Esser
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pipe bend
    • Patent number 5,718,461
    • Issue date Feb 17, 1998
    • Esser-Werke GmbH & Co. KG
    • Alexander Esser
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Double-layer pipe bend with intermediate support layer
    • Patent number 5,275,440
    • Issue date Jan 4, 1994
    • Esser-Brieden GmbH & Co. KG
    • Alexander Esser
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pipe for conveying solid matter
    • Patent number 5,044,670
    • Issue date Sep 3, 1991
    • Esser-Brieden GmbH & Co. KG
    • Alexander Esser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of manufacturing double-walled tube
    • Patent number 4,497,673
    • Issue date Feb 5, 1985
    • Esser-Werke GmbH Vorm. Westmontan-Werke
    • Alexander Esser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents