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DORR-OLIVER INCORPORATED

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  • STAMFORD, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluidized bed reactor with gas distributor
    • Patent number 5,879,638
    • Issue date Mar 9, 1999
    • Dorr-Oliver Incorporated
    • George Tomasicchio
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluid bed reactor
    • Patent number 5,876,679
    • Issue date Mar 2, 1999
    • Dorr-Oliver, Inc.
    • John P. D'Acierno
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Fluidized bed reactor with gas distributor and baffle
    • Patent number 5,779,989
    • Issue date Jul 14, 1998
    • Dorr-Oliver Incorporated
    • George Tomasicchio
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    High pressure screen shower
    • Patent number 5,494,227
    • Issue date Feb 27, 1996
    • Dorr-Oliver Incorporated
    • John J. Costantini
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Rotary drum filter with reciprocating nozzle means
    • Patent number 5,470,472
    • Issue date Nov 28, 1995
    • Dorr-Oliver Incorporated
    • David P. Baird
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Firing liquid and gaseous fuels for a circulating fluidizing bed re...
    • Patent number 5,441,406
    • Issue date Aug 15, 1995
    • Dorr-Oliver Incorporated
    • Stanley A. Bunk
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Wear-resistant tile surfacing for a centrifuge conveyor
    • Patent number 5,429,581
    • Issue date Jul 4, 1995
    • Dorr-Oliver Incorporated
    • Richard R. Michaud
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Clarifier with rotating sealed cover
    • Patent number 5,389,249
    • Issue date Feb 14, 1995
    • Dorr-Oliver Incorporated
    • John Richards
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Vacuum assisted slaker classifier
    • Patent number 5,368,731
    • Issue date Nov 29, 1994
    • Dorr-Oliver Incorporated
    • Jeffrey C. Pesotini
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Disc-decanter centrifuge
    • Patent number 5,364,335
    • Issue date Nov 15, 1994
    • Dorr-Oliver Incorporated
    • Paul H. Franzen
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Microstrainer filter deck panel
    • Patent number 5,326,471
    • Issue date Jul 5, 1994
    • Dorr-Oliver Incorporated
    • Kurt E. Pietzsch
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Process of displacement washing in a centrifuge filter
    • Patent number 5,300,233
    • Issue date Apr 5, 1994
    • Dorr-Oliver Incorporated
    • Chie-Ying Lee
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Direct hydraulic drive for large flotation cells
    • Patent number 5,284,249
    • Issue date Feb 8, 1994
    • Dorr-Oliver Incorporated
    • George A. Lawrence
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    High pressure screen shower
    • Patent number 5,282,575
    • Issue date Feb 1, 1994
    • Dorr-Oliver Incorporated
    • Thomas G. Krulick
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Clarifier tanks
    • Patent number 5,269,928
    • Issue date Dec 14, 1993
    • Dorr-Oliver Incorporated
    • Werner H. Leikam
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Automatic control system for diaphragm pumps
    • Patent number 5,252,041
    • Issue date Oct 12, 1993
    • Dorr-Oliver Incorporated
    • Russell Schumack
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screen device with quick release mounting
    • Patent number 5,246,579
    • Issue date Sep 21, 1993
    • Dorr-Oliver Incorporated
    • Helmuth Probstmeyer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Froth flotation machine
    • Patent number 5,205,926
    • Issue date Apr 27, 1993
    • Dorr-Oliver Incorporated
    • George A. Lawrence
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Corn wet milling process for manufacturing starch
    • Patent number 5,198,035
    • Issue date Mar 30, 1993
    • Dorr-Oliver Incorporated
    • Chie-Ying Lee
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Cenrifuge filter with closable bypass
    • Patent number 5,194,146
    • Issue date Mar 16, 1993
    • Dorr-Oliver Incorporated
    • Guntram Krettek
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Method for pulp quality control and regulation
    • Patent number 5,076,890
    • Issue date Dec 31, 1991
    • Dorr-Oliver Incorporated
    • Claude Balembois
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Corn steeping process and apparatus
    • Patent number 5,067,982
    • Issue date Nov 26, 1991
    • Dorr-Oliver Incorporated
    • Abraham Caransa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Ash classifier-cooler-combustor
    • Patent number 4,969,404
    • Issue date Nov 13, 1990
    • Dorr-Oliver Incorporated
    • Michael J. Virr
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Process for producing starch from cereals
    • Patent number 4,957,565
    • Issue date Sep 18, 1990
    • Dorr-Oliver Incorporated
    • Annti Lehmussaari
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for steeping cereals with a new enzyme preparation
    • Patent number 4,914,029
    • Issue date Apr 3, 1990
    • Dorr-Oliver Incorporated
    • Abraham Caransa
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Vacuum filter with releasably clamped sealing strip
    • Patent number 4,892,656
    • Issue date Jan 9, 1990
    • Dorr-Oliver Incorporated
    • Kurt E. Pietzsch
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Press belt device for horizontal filters
    • Patent number 4,861,495
    • Issue date Aug 29, 1989
    • Dorr-Oliver Incorporated
    • Kurt E. Pietzsch
    • B30 - PRESSES
  • Information Patent Grant

    Rake classifier
    • Patent number 4,853,115
    • Issue date Aug 1, 1989
    • Dorr-Oliver Incorporated
    • George W. Kennel
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Flotation mechanism
    • Patent number 4,800,017
    • Issue date Jan 24, 1989
    • Dorr-Oliver Incorporated
    • Prem Krishnaswamy
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Method for discharging cake formed on an electrode structure
    • Patent number 4,759,835
    • Issue date Jul 26, 1988
    • Dorr-Oliver Incorporated
    • Peter R. Klinkowski
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Trademarklast 30 trademarks

  • Information Trademark

    75739990 - FLASH FLOTE
    • Serial number 75739990
    • Filing date Jun 30, 1999
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    75561515 - OMNI-FLOT
    • Serial number 75561515
    • Filing date Sep 29, 1998
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    75561516 - VERTI-MIX
    • Serial number 75561516
    • Filing date Sep 29, 1998
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    75401768 - CLARIMAX
    • Serial number 75401768
    • Filing date Dec 8, 1997
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    75056235 - CLARIDRY
    • Serial number 75056235
    • Registration number 2112870
    • Filing date Feb 12, 1996
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    74656048 - CLARIFIL
    • Serial number 74656048
    • Registration number 2111042
    • Filing date Apr 4, 1995
    • Dorr-Oliver Incorporated
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    74622601 - DO
    • Serial number 74622601
    • Registration number 2041126
    • Filing date Jan 18, 1995
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    74523298 - SUPRATON
    • Serial number 74523298
    • Registration number 1956851
    • Filing date May 2, 1994
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    74523297 - BW
    • Serial number 74523297
    • Filing date May 2, 1994
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    74523262 - BUCKAU-WOLF
    • Serial number 74523262
    • Registration number 2014152
    • Filing date May 2, 1994
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    74502058 - DORR-OLIVER
    • Serial number 74502058
    • Registration number 1946286
    • Filing date Mar 21, 1994
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    74502204 - DO DORR-OLIVER
    • Serial number 74502204
    • Registration number 1947989
    • Filing date Mar 18, 1994
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    74475381 - DYNAFLOC
    • Serial number 74475381
    • Filing date Jan 3, 1994
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    74432500 - HI-RATE
    • Serial number 74432500
    • Filing date Sep 7, 1993
    • Dorr-Oliver Incorporated
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    74402173 - GORATOR
    • Serial number 74402173
    • Registration number 1917609
    • Filing date Jun 16, 1993
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    74402301 - DORRCO
    • Serial number 74402301
    • Filing date Jun 16, 1993
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    74387751 - DO DORR-OLIVER
    • Serial number 74387751
    • Filing date May 7, 1993
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    74056414 - DO DORR-OLIVER
    • Serial number 74056414
    • Filing date May 7, 1990
    • Dorr-Oliver Incorporated
    • 7 - Machines and machine tools
  • Information Trademark

    73755719 - PEAK PERFORMER
    • Serial number 73755719
    • Registration number 1606172
    • Filing date Oct 3, 1988
    • Dorr-Oliver Incorporated
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73755720 - PEAK PERFORMER
    • Serial number 73755720
    • Registration number 1606173
    • Filing date Oct 3, 1988
    • Dorr-Oliver Incorporated
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73517027 - OXITRON
    • Serial number 73517027
    • Registration number 1363199
    • Filing date Feb 19, 1985
    • Dorr-Oliver Incorporated
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    73399291 - EAVF
    • Serial number 73399291
    • Registration number 1270664
    • Filing date Feb 28, 1983
    • Dorr-Oliver Incorporated
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    73346596 - ANITRON SYSTEM
    • Serial number 73346596
    • Registration number 1245790
    • Filing date Jan 21, 1982
    • Dorr-Oliver Incorporated
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    73276577 - IOPLATE
    • Serial number 73276577
    • Registration number 1194673
    • Filing date Sep 3, 1980
    • Dorr-Oliver Incorporated
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    73078786 - DORRCO
    • Serial number 73078786
    • Registration number 1053221
    • Filing date Mar 1, 1976
    • DORR-OLIVER INCORPORATED
    • 7 - Machines and machine tools
  • Information Trademark

    72424778 - CABLETORQ
    • Serial number 72424778
    • Registration number 975893
    • Filing date May 18, 1972
    • DORR-OLIVER INCORPORATED
    • 7 - Machines and machine tools
  • Information Trademark

    72344350 - MERCO
    • Serial number 72344350
    • Registration number 895000
    • Filing date Nov 24, 1969
    • DORR-OLIVER INCORPORATED
    • 7 - Machines and machine tools
  • Information Trademark

    72342425 - IOPOR
    • Serial number 72342425
    • Registration number 913333
    • Filing date Nov 3, 1969
    • DORR-OLIVER INCORPORATED
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    72341268 - MERCO
    • Serial number 72341268
    • Registration number 894997
    • Filing date Oct 21, 1969
    • DORR-OLIVER INCORPORATED
    • 7 - Machines and machine tools
  • Information Trademark

    72312441 - RAPIFINE
    • Serial number 72312441
    • Registration number 889347
    • Filing date Nov 18, 1968
    • DORR-OLIVER INCORPORATED
    • 7 - Machines and machine tools