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Cresskill, NJ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of controlling operation of an electrostatic precipitator
Patent number
4,659,342
Issue date
Apr 21, 1987
F. L. Smidth & Co.
Leif Lind
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Device for raking a storage heap
Patent number
4,540,085
Issue date
Sep 10, 1985
F. L. Smidth & Co.
Erik R. Larsen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method for producing anhydrous alumina
Patent number
4,529,579
Issue date
Jul 16, 1985
F. L. Smidth & Co.
Benny E. Raahauge
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and apparatus for sorting particulate material
Patent number
4,511,462
Issue date
Apr 16, 1985
F. L. Smidth & Co.
Jan Folsberg
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Method and arrangement for protecting a thyristor switch of a pulse...
Patent number
4,503,477
Issue date
Mar 5, 1985
F. L. Smidth & Company
Henrik Henriksen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Vertical roller mill and method of use thereof
Patent number
4,485,974
Issue date
Dec 4, 1984
F. L. Smidth & Co.
Finn Lass
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Method of controlling operation of an electrostatic precipitator
Patent number
4,445,911
Issue date
May 1, 1984
F. L. Smidth & Co.
Leif Lind
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Apparatus for thermally treating pulverous materials such as cement...
Patent number
4,435,159
Issue date
Mar 6, 1984
F. L. Smidth & Co.
Hans B. Knudsen
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Method and apparatus for thermally treating pulverulent materials
Patent number
4,420,302
Issue date
Dec 13, 1983
F. L. Smidth & Co.
Hans B. Knudsen
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Method and apparatus for thermally treating pulverulent materials
Patent number
4,420,303
Issue date
Dec 13, 1983
F. L. Smidth & Co.
Hans B. Knudsen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Combustion plant
Patent number
4,419,964
Issue date
Dec 13, 1983
F. L. Smidth & Co.
Torben Enkegaard
F22 - STEAM GENERATION
Information
Patent Grant
Method and plant such as a kiln plant for treating granular or pulv...
Patent number
4,416,622
Issue date
Nov 22, 1983
F. L. Smidth & Co.
Jorn Touborg
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Apparatus for driving a rotary drum, such as a rotary kiln
Patent number
4,403,952
Issue date
Sep 13, 1983
F. L. Smidth & Co.
Per Birch
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Method of conditioning exhaust gases from coal firing
Patent number
4,391,207
Issue date
Jul 5, 1983
F. L. Smidth & Co.
Helge H. Petersen
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Plant for manufacturing cement clinker
Patent number
4,389,252
Issue date
Jun 21, 1983
F. L. Smidth & Co.
Rolf D. Houd
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method and apparatus for operating a kiln plant with solid fuel fir...
Patent number
4,388,067
Issue date
Jun 14, 1983
F. L. Smidth & Co.
Soren B. Christiansen
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Method for burning granular or pulverous materials and kiln plant t...
Patent number
4,386,906
Issue date
Jun 7, 1983
F. L. Smidth & Co.
Tage H. Dano
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Roller mill
Patent number
4,385,730
Issue date
May 31, 1983
F. L. Smidth & Co.
Helge C. C. Kartman
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Vertical roller mill
Patent number
4,382,561
Issue date
May 10, 1983
F. L. Smidth & Co.
Knud T. Andersen
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Roller mill
Patent number
4,382,558
Issue date
May 10, 1983
F. L. Smidth & Co.
Sven O. Svensson
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Method and apparatus for grinding granular materials
Patent number
4,369,926
Issue date
Jan 25, 1983
F. L. Smidth & Co.
Ole S. Rasmussen
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Method of and plant for manufacturing pulverous or granular material
Patent number
4,369,067
Issue date
Jan 18, 1983
F. L. Smidth & Co.
Torben Enkegaard
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Temperature measurement by means of heat tubes
Patent number
4,355,909
Issue date
Oct 26, 1982
F. L. Smidth & Co.
Hans B. Knudsen
G01 - MEASURING TESTING
Information
Patent Grant
Rotary kiln
Patent number
4,353,687
Issue date
Oct 12, 1982
F. L. Smidth & Co.
Poul W. Nielsen
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Adjustable roller support for a rotary drum
Patent number
4,344,596
Issue date
Aug 17, 1982
F. L. Smidth & Co.
Paul T. Hjaeresen
F26 - DRYING
Information
Patent Grant
Method for purification of gases
Patent number
4,301,128
Issue date
Nov 17, 1981
F. L. Smidth & Co.
Niels E. Hastrup
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for and method of demounting slide shoe
Patent number
4,280,267
Issue date
Jul 28, 1981
F. L. Smidth & Co.
Erik C. Christensen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Electrostatic precipitator and discharge electrode therefor
Patent number
4,277,258
Issue date
Jul 7, 1981
F. L. Smidth & Co.
Erik M. Bojsen
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Tube mill
Patent number
4,256,264
Issue date
Mar 17, 1981
F. L. Smidth & Co.
Ib Hansen
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Rotary kiln
Patent number
4,243,384
Issue date
Jan 6, 1981
F. L. Smidth & Company
Erik Reinhardt
F26 - DRYING
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last 30 patents
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