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Joseph Haydu

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  • Riverside, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Integrated ballast mat
    • Patent number 10,612,198
    • Issue date Apr 7, 2020
    • Versaflex, Inc.
    • Joseph Haydu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Integrated ballast mat
    • Patent number 10,132,049
    • Issue date Nov 20, 2018
    • Versaflex, Inc.
    • Joseph Haydu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Waterproof expansion joint
    • Patent number 9,995,010
    • Issue date Jun 12, 2018
    • Versaflex, Inc.
    • Joseph Haydu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Integrated ballast mat
    • Patent number 9,441,335
    • Issue date Sep 13, 2016
    • Versaflex, Inc.
    • Joseph Haydu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Waterproof expansion joint
    • Patent number 9,234,321
    • Issue date Jan 12, 2016
    • Versaflex, Inc.
    • Joseph Haydu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Cover for a liquid reservoir
    • Patent number 8,936,412
    • Issue date Jan 20, 2015
    • Versaflex, Inc.
    • Joseph Haydu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Waterproof expansion joint
    • Patent number 8,826,481
    • Issue date Sep 9, 2014
    • Versaflex, Inc.
    • Joseph Haydu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Waterproof expansion joint
    • Patent number 8,499,394
    • Issue date Aug 6, 2013
    • Versaflex, Inc.
    • Joseph Haydu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Cover for a liquid reservoir
    • Patent number 8,221,030
    • Issue date Jul 17, 2012
    • Versaflex, Inc.
    • Joseph Haydu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Systems and methods for treating air chambers in aeration basins of...
    • Patent number 7,837,906
    • Issue date Nov 23, 2010
    • Versaflex, Inc.
    • Joseph Haydu
    • E04 - BUILDING

Patents Applicationslast 30 patents

  • Information Patent Application

    INTEGRATED BALLAST MAT
    • Publication number 20190226163
    • Publication date Jul 25, 2019
    • VERSAFLEX, INC.
    • Joseph Haydu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    INTEGRATED BALLAST MAT
    • Publication number 20170198446
    • Publication date Jul 13, 2017
    • VERSAFLEX, INC.
    • Joseph Haydu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    WATERPROOF EXPANSION JOINT
    • Publication number 20160115657
    • Publication date Apr 28, 2016
    • VERSAFLEX, INC.
    • Joseph Haydu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    WATERPROOF EXPANSION JOINT
    • Publication number 20150113745
    • Publication date Apr 30, 2015
    • VERSAFLEX, INC.
    • Joseph Haydu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    INTEGRATED BALLAST MAT
    • Publication number 20140130271
    • Publication date May 15, 2014
    • VERSAFLEX, INC.
    • Joseph Haydu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES