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Robert S. Prairie

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  • Pittsfield, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Enclosures for vertical pulverizer systems
    • Patent number 10,668,476
    • Issue date Jun 2, 2020
    • General Electric Technology GmbH
    • Paul M. Colson
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Pulverizer upper gearbox bearing assembly
    • Patent number 7,845,587
    • Issue date Dec 7, 2010
    • Alstom Technology Ltd
    • Mark A. Fuller
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Arrangement for securing a vane wheel assembly to a grinding table...
    • Patent number 6,079,648
    • Issue date Jun 27, 2000
    • Combustion Engineering, Inc.
    • Rory G. Eastman
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Energy-efficient grinding rolls for coal pulverizers
    • Patent number 6,061,908
    • Issue date May 16, 2000
    • Combustion Engineering, Inc.
    • Brian P. DeMarey
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Rotating shaft support assembly for a bowl mill
    • Patent number 6,024,311
    • Issue date Feb 15, 2000
    • Combustion Engineering, Inc.
    • Robert S. Prairie
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Pulverizer apparatus with horizontal axis pivot scraper
    • Patent number 5,904,307
    • Issue date May 18, 1999
    • Combustion Engineering, Inc.
    • Robert S. Prairie
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Supermill journal spring system
    • Patent number 4,759,509
    • Issue date Jul 26, 1988
    • Combustion Engineering, Inc.
    • Robert S. Prairie
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Retrofitable coiled spring system
    • Patent number 4,706,900
    • Issue date Nov 17, 1987
    • Combustion Engineering, Inc.
    • Robert S. Prairie
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents