TREA

using manually-operated cable-pulled drag shovels

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Industry

  • CPC
  • B28C7/0823
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B28Stoneworking B28CPREPARING CLAY PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances Supplying or proportioning the ingredients for mixing clay or cement with other substances Discharging the mixture

Current Industry

B28C7/0823using manually-operated cable-pulled drag shovels
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2504476
    • Patent number 2,504,476
    • Issue date Apr 18, 1950
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2119780
    • Patent number 2,119,780
    • Issue date Jun 7, 1938
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1340345
    • Patent number 1,340,345
    • Issue date May 18, 1920
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents