the drum having a non-uniform section along its length

Patents Grantslast 30 patents

  • Information Patent Grant

    Horizontal pyrolysis furnace

    • Patent number 11,268,761
    • Issue date Mar 8, 2022
    • JING LEEI ENTERPRISE CO., LTD.
    • Hsuan-Jung Chen
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Rotary kiln for calcination of light aggregate cement

    • Patent number 6,468,074
    • Issue date Oct 22, 2002
    • Chieh-Yuan Wu
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Method for recycling iron and steel industry waste

    • Patent number 5,843,204
    • Issue date Dec 1, 1998
    • Sumitomo Heavy Industries, Ltd.
    • Yoshitaka Ishikawa
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Systems and processes for pyrolyzing contaminants on foundry sand a...

    • Patent number 5,363,779
    • Issue date Nov 15, 1994
    • Praxair Technology, Inc.
    • Roland P. A. G. Bury
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Stepped end rotary furnace

    • Patent number 5,235,611
    • Issue date Aug 10, 1993
    • Tennessee Electro Minerals, Inc.
    • Kenneth R. Jones
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Rotary kiln

    • Patent number 5,022,852
    • Issue date Jun 11, 1991
    • Veba Oel Entwicklungs-Gesellschaft mbH
    • Michael Blasko
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Rotary furnace for melting metal

    • Patent number 4,337,929
    • Issue date Jul 6, 1982
    • College Research Corporation
    • Marvin Evans
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Iron or steelmaking process

    • Patent number 4,062,674
    • Issue date Dec 13, 1977
    • British Steel Corporation
    • David A. Hawkes
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method and apparatus for burning pulverulent materials

    • Patent number 3,932,116
    • Issue date Jan 13, 1976
    • F. L. Smidth & Co.
    • Dan S. Hansen
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    3897049

    • Patent number 3,897,049
    • Issue date Jul 29, 1975
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3584850

    • Patent number 3,584,850
    • Issue date Jun 15, 1971
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3385585

    • Patent number 3,385,585
    • Issue date May 28, 1968
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3155380

    • Patent number 3,155,380
    • Issue date Nov 3, 1964
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    2356529

    • Patent number 2,356,529
    • Issue date Aug 22, 1944
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    2355362

    • Patent number 2,355,362
    • Issue date Aug 8, 1944
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2352321

    • Patent number 2,352,321
    • Issue date Jun 27, 1944
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    2165128

    • Patent number 2,165,128
    • Issue date Jul 4, 1939
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1898776

    • Patent number 1,898,776
    • Issue date Feb 21, 1933
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1834963

    • Patent number 1,834,963
    • Issue date Dec 8, 1931
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1766453

    • Patent number 1,766,453
    • Issue date Jun 24, 1930
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1453851

    • Patent number 1,453,851
    • Issue date May 1, 1923
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1350750

    • Patent number 1,350,750
    • Issue date Aug 24, 1920
    • F27 - FURNACES KILNS OVENS RETORTS