prestressed reinforcements

Patents Grantslast 30 patents

  • Information Patent Grant

    Conduit segment casting mold and method of forming a conduit segment

    • Patent number 10,913,178
    • Issue date Feb 9, 2021
    • Electricwaze LLC
    • Ross Tessien
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method for forming an elongate support structure

    • Patent number 9,561,632
    • Issue date Feb 7, 2017
    • Vijay Investments Pty Ltd.
    • Tamas Dale Hume
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Concrete pole and manufacturing method therefor

    • Patent number 8,808,604
    • Issue date Aug 19, 2014
    • Yeong Ho Cho
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Intermediate anchor for centrifugal concrete mold for producing rin...

    • Patent number 5,055,021
    • Issue date Oct 8, 1991
    • Emil Bonato
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Reinforced conventional concrete pipe having an evenly distributed...

    • Patent number 4,702,282
    • Issue date Oct 27, 1987
    • Vianini Industria S.p.A.
    • Sergio Marchesi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of manufacturing reinforced concrete pipe having an evenly d...

    • Patent number 4,633,568
    • Issue date Jan 6, 1987
    • Vianini Industria S.p.A.
    • Sergio Marchesi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of manufacturing prestressed concrete pipe

    • Patent number 4,113,823
    • Issue date Sep 12, 1978
    • Nippon Hume Pipe Company Limited
    • Hideo Iida
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Prestressed concrete pipe

    • Patent number 3,982,565
    • Issue date Sep 28, 1976
    • Nippon Hume Pipe Company Limited
    • Hideo Iida
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3911964

    • Patent number 3,911,964
    • Issue date Oct 14, 1975
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3758940

    • Patent number 3,758,940
    • Issue date Sep 18, 1973
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3716210

    • Patent number 3,716,210
    • Issue date Feb 13, 1973
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3642033

    • Patent number 3,642,033
    • Issue date Feb 15, 1972
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3520968

    • Patent number 3,520,968
    • Issue date Jul 21, 1970
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3467144

    • Patent number 3,467,144
    • Issue date Sep 16, 1969
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3276092

    • Patent number 3,276,092
    • Issue date Oct 4, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3275040

    • Patent number 3,275,040
    • Issue date Sep 27, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3260020

    • Patent number 3,260,020
    • Issue date Jul 12, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3234619

    • Patent number 3,234,619
    • Issue date Feb 15, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3107158

    • Patent number 3,107,158
    • Issue date Oct 15, 1963
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3046631

    • Patent number 3,046,631
    • Issue date Jul 31, 1962
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3034536

    • Patent number 3,034,536
    • Issue date May 15, 1962
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3034537

    • Patent number 3,034,537
    • Issue date May 15, 1962
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2948042

    • Patent number 2,948,042
    • Issue date Aug 9, 1960
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2916794

    • Patent number 2,916,794
    • Issue date Dec 15, 1959
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2913798

    • Patent number 2,913,798
    • Issue date Nov 24, 1959
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2865078

    • Patent number 2,865,078
    • Issue date Dec 23, 1958
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2771655

    • Patent number 2,771,655
    • Issue date Nov 27, 1956
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2747249

    • Patent number 2,747,249
    • Issue date May 29, 1956
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2730783

    • Patent number 2,730,783
    • Issue date Jan 17, 1956
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2709845

    • Patent number 2,709,845
    • Issue date Jun 7, 1955
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents