Accumulator

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for expanding polymeric tubing

    • Patent number 6,139,306
    • Issue date Oct 31, 2000
    • Brian M. Kirshner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of expanding polymeric tubing

    • Patent number 5,733,487
    • Issue date Mar 31, 1998
    • Raychem Corporation
    • Brian M. Kirshner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for press-molding thermoplastic resin

    • Patent number 5,049,325
    • Issue date Sep 17, 1991
    • Chisso Corporation
    • Kazuo Aoki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Machine for press-molding thermoplastic resin

    • Patent number 4,925,381
    • Issue date May 15, 1990
    • Chisso Corporation
    • Kazuo Aoki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2003843

    • Patent number 2,003,843
    • Issue date Jun 4, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1922598

    • Patent number 1,922,598
    • Issue date Aug 15, 1933
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1801575

    • Patent number 1,801,575
    • Issue date Apr 21, 1931
    • B30 - PRESSES
  • Information Patent Grant

    1780629

    • Patent number 1,780,629
    • Issue date Nov 4, 1930
    • B30 - PRESSES
  • Information Patent Grant

    1687995

    • Patent number 1,687,995
    • Issue date Oct 16, 1928
    • B30 - PRESSES
  • Information Patent Grant

    1560368

    • Patent number 1,560,368
    • Issue date Nov 3, 1925
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1531631

    • Patent number 1,531,631
    • Issue date Mar 31, 1925
    • B30 - PRESSES
  • Information Patent Grant

    1312367

    • Patent number 1,312,367
    • Issue date Aug 5, 1919
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1230492

    • Patent number 1,230,492
    • Issue date Jun 19, 1917
    • B30 - PRESSES
  • Information Patent Grant

    1128309

    • Patent number 1,128,309
    • Issue date Feb 16, 1915
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1007831

    • Patent number 1,007,831
    • Issue date Nov 7, 1911
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1003987

    • Patent number 1,003,987
    • Issue date Sep 26, 1911
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    879915

    • Patent number 879,915
    • Issue date Feb 25, 1908
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    475224

    • Patent number 475,224
    • Issue date May 17, 1892
    • B30 - PRESSES
  • Information Patent Grant

    450770

    • Patent number 450,770
    • Issue date Apr 21, 1891
    • B30 - PRESSES
  • Information Patent Grant

    323856

    • Patent number 323,856
    • Issue date Aug 4, 1885
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    156250

    • Patent number 156,250
    • Issue date Oct 27, 1874
    • B28 - WORKING CEMENT, CLAY, OR STONE