TREA

State of California, Department of Transportation

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Organization

  • Sacramento, CA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Stormwater capture housing system
    • Patent number 11,535,528
    • Issue date Dec 27, 2022
    • State of California, Department of Transportation
    • Cornelis M. Hakim
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Mobile work zone protection device
    • Patent number 7,410,321
    • Issue date Aug 12, 2008
    • State of California Department of Transportation
    • Calvin W. Schiefferly
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Corrosion protection method
    • Patent number 7,175,893
    • Issue date Feb 13, 2007
    • State of California, Department of Transportation
    • Deane M. Coats
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Underwater energy dampening device
    • Patent number 7,126,875
    • Issue date Oct 24, 2006
    • State of California, Department of Transportation
    • Andrew J. Baskerville
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Mobile work zone protection device
    • Patent number 7,125,198
    • Issue date Oct 24, 2006
    • State of California, Department of Transportation
    • Calvin W. Schiefferly
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Plantable geosynthetic reinforced retaining wall
    • Patent number 6,808,339
    • Issue date Oct 26, 2004
    • State of California Department of Transportation
    • John E. Peterson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Safety retainer for a wheelchair
    • Patent number 4,623,289
    • Issue date Nov 18, 1986
    • State of California, Department of Transportation
    • John A. Apostolos
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Process for inhibiting corrosion of metal embedded in concrete and...
    • Patent number 4,506,485
    • Issue date Mar 26, 1985
    • State of California, Department of Transportation
    • John A. Apostolos
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

  • Information Patent Application

    Stormwater Capture Housing System with Wildlife Escape
    • Publication number 20240400413
    • Publication date Dec 5, 2024
    • State of California, Department of Transportation
    • Cornelis M. Hakim
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    Corrosion protection method
    • Publication number 20050255279
    • Publication date Nov 17, 2005
    • State of California, Department of Transportation
    • Deane M. Coats
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Seismic joint seal
    • Publication number 20050241084
    • Publication date Nov 3, 2005
    • State of California, Department of Transportation
    • Efthymios Tim Delis
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Mobile work zone protection device
    • Publication number 20050141960
    • Publication date Jun 30, 2005
    • State of California, Department of Transportation
    • Calvin W. Schiefferly
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Underwater energy dampening device
    • Publication number 20050083783
    • Publication date Apr 21, 2005
    • State of California, Department of Transportation
    • Andrew J. Baskerville
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING