having gas supply or exhaust manifold structure

Patents Grantslast 30 patents

  • Information Patent Grant

    Regenerative heating systems

    • Patent number 4,671,345
    • Issue date Jun 9, 1987
    • British Gas Corporation
    • Jeffery Masters
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Checkerwork in horizontal chamber of a regeneratively fired furnace

    • Patent number 4,589,474
    • Issue date May 20, 1986
    • Veitscher Magnesitwerke-Actien-Gesellschaft
    • Josef Horak
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Interlocking checker tile and supporting means for regenerative hea...

    • Patent number 4,378,045
    • Issue date Mar 29, 1983
    • Davy Inc.
    • George L. Balke
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Regenerator checkerwork brick

    • Patent number 4,346,753
    • Issue date Aug 31, 1982
    • Bricmont & Associates, Inc.
    • Stanley J. Kletch
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3591153

    • Patent number 3,591,153
    • Issue date Jul 6, 1971
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3384358

    • Patent number 3,384,358
    • Issue date May 21, 1968
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    3135505

    • Patent number 3,135,505
    • Issue date Jun 2, 1964
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3134584

    • Patent number 3,134,584
    • Issue date May 26, 1964
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3037758

    • Patent number 3,037,758
    • Issue date Jun 5, 1962
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2839286

    • Patent number 2,839,286
    • Issue date Jun 17, 1958
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2819051

    • Patent number 2,819,051
    • Issue date Jan 7, 1958
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2706109

    • Patent number 2,706,109
    • Issue date Apr 12, 1955
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2655366

    • Patent number 2,655,366
    • Issue date Oct 13, 1953
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2651515

    • Patent number 2,651,515
    • Issue date Sep 8, 1953
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2634118

    • Patent number 2,634,118
    • Issue date Apr 7, 1953
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2512555

    • Patent number 2,512,555
    • Issue date Jun 20, 1950
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2034820

    • Patent number 2,034,820
    • Issue date Mar 24, 1936
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1983017

    • Patent number 1,983,017
    • Issue date Dec 4, 1934
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1980827

    • Patent number 1,980,827
    • Issue date Nov 13, 1934
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1976575

    • Patent number 1,976,575
    • Issue date Oct 9, 1934
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1920885

    • Patent number 1,920,885
    • Issue date Aug 1, 1933
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1916370

    • Patent number 1,916,370
    • Issue date Jul 4, 1933
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1908409

    • Patent number 1,908,409
    • Issue date May 9, 1933
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    1907852

    • Patent number 1,907,852
    • Issue date May 9, 1933
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1904236

    • Patent number 1,904,236
    • Issue date Apr 18, 1933
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1904237

    • Patent number 1,904,237
    • Issue date Apr 18, 1933
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1895302

    • Patent number 1,895,302
    • Issue date Jan 24, 1933
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1879056

    • Patent number 1,879,056
    • Issue date Sep 27, 1932
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1826227

    • Patent number 1,826,227
    • Issue date Oct 6, 1931
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1752494

    • Patent number 1,752,494
    • Issue date Apr 1, 1930
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents