TREA

Hydraulic or pneumatic filling-up machines

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Industry

  • CPC
  • E21F15/10
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS E21F15/00Methods or devices for placing filling-up materials in underground workings

Current Industry

E21F15/10Hydraulic or pneumatic filling-up machines
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Monitoring device for deformation of locked patch crack of rock slo...
    • Patent number 11,319,810
    • Issue date May 3, 2022
    • China University of Geosciences (Wuhan)
    • Huiming Tang
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method of spray application, and spray apparatus, for bentonite mat...
    • Patent number 8,470,406
    • Issue date Jun 25, 2013
    • Kajima Corporation
    • Ichizo Kobayashi
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    System and method for aggregate disposal
    • Patent number 8,366,349
    • Issue date Feb 5, 2013
    • Beachner Construction Company, Inc.
    • Robert Beachner
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Remote mine seal spray nozzle assembly, system and methods of use
    • Patent number 7,682,107
    • Issue date Mar 23, 2010
    • Howard Concrete Pumping, Inc.
    • Lynn M. Crayne
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Jet stower
    • Patent number 4,740,114
    • Issue date Apr 26, 1988
    • Ansec Design and Engineering Limited
    • Noel Hunt
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method and device for continuous transporting powdered, fine-graine...
    • Patent number 4,493,593
    • Issue date Jan 15, 1985
    • Ferroplast Gesellschaft fur Metall- und Kunststoffepzeucnisse mbH
    • Heinrich Schlimbach
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pneumatic stowing apparatus
    • Patent number 4,163,582
    • Issue date Aug 7, 1979
    • Bergwerksverband GmbH
    • Kurt H. Voss
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    2756111
    • Patent number 2,756,111
    • Issue date Jul 24, 1956
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2301405
    • Patent number 2,301,405
    • Issue date Nov 10, 1942
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1979320
    • Patent number 1,979,320
    • Issue date Nov 6, 1934
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1943589
    • Patent number 1,943,589
    • Issue date Jan 16, 1934
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1426135
    • Patent number 1,426,135
    • Issue date Aug 15, 1922
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents