TREA

GREYSTONE INCORPORATED

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Organization

  • NORTH PROVIDENCE, RI, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Sand dewatering device and method
    • Patent number 8,695,804
    • Issue date Apr 15, 2014
    • Greystone, Inc.
    • William John Bennington
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method and means for sand reblending
    • Patent number 6,871,757
    • Issue date Mar 29, 2005
    • Greystone, Inc.
    • William J. Bennington, II
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...

Patents Applicationslast 30 patents

  • Information Patent Application

    SAND DEWATERING DEVICE AND METHOD
    • Publication number 20090057204
    • Publication date Mar 5, 2009
    • GREYSTONE, INC.
    • WILLIAM JOHN BENNINGTON, II
    • B30 - PRESSES
  • Information Patent Application

    Method and means for sand reblending
    • Publication number 20040144797
    • Publication date Jul 29, 2004
    • Greystone
    • William J. Bennington
    • G01 - MEASURING TESTING

Trademarklast 30 trademarks

  • Information Trademark

    98498520 - GREYSTONE DEFENSE BROWN
    • Serial number 98498520
    • Filing date Apr 12, 2024
    • GREYSTONE INCORPORATED
    • 40 - Treatment of materials
  • Information Trademark

    98498517 - GDB
    • Serial number 98498517
    • Filing date Apr 12, 2024
    • GREYSTONE INCORPORATED
    • 40 - Treatment of materials
  • Information Trademark

    77364027 - AGGRESPEC
    • Serial number 77364027
    • Registration number 3501204
    • Filing date Jan 4, 2008
    • GREYSTONE, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    77338507 - AGGREDRY
    • Serial number 77338507
    • Registration number 3592497
    • Filing date Nov 28, 2007
    • GREYSTONE, INC.
    • 7 - Machines and machine tools
  • Information Trademark

    74390369 - GREYSTONE
    • Serial number 74390369
    • Registration number 1825524
    • Filing date May 3, 1993
    • GREYSTONE INCORPORATED
    • 40 - Treatment of materials
  • Information Trademark

    74277176 - AGGRE-SPEC CLASSIFYING SYSTEMS
    • Serial number 74277176
    • Filing date May 20, 1992
    • GREYSTONE, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73708912 - GREYSTONE
    • Serial number 73708912
    • Registration number 1515149
    • Filing date Feb 1, 1988
    • GREYSTONE, INC.
    • 7 - Machines and machine tools