Steel gratings ; Gratings made of material other than steel

Patents Grantslast 30 patents

  • Information Patent Grant

    Stamped steel detectable warning tile and method of manufacture

    • Patent number 10,920,378
    • Issue date Feb 16, 2021
    • Tuf-Tite, Inc.
    • Theodore W. Meyers
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Decorative grating and method of manufacturing the same

    • Patent number 9,822,494
    • Issue date Nov 21, 2017
    • Ohio Gratings, Inc.
    • David W. Bartley
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Modular fire prevention flooring

    • Patent number 9,506,245
    • Issue date Nov 29, 2016
    • SAFESPILL SYSTEMS LLC
    • Tristan Willfried Mackintosh
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Modular fire prevention flooring

    • Patent number 9,010,051
    • Issue date Apr 21, 2015
    • Fireless Flooring LLC
    • Tristan Willfried Mackintosh
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Grating system

    • Patent number 7,393,153
    • Issue date Jul 1, 2008
    • Ohio Gratings, Inc.
    • Darryle D. Woodson
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Grating system

    • Patent number 7,121,759
    • Issue date Oct 17, 2006
    • Ohio Gratings, Inc.
    • Darryle D. Woodson
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Grid plate of plastic material

    • Patent number 4,826,351
    • Issue date May 2, 1989
    • Spiess Kunstoff-Recycling GmbH & Co.
    • Karl Haberhauer
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3831889

    • Patent number 3,831,889
    • Issue date Aug 27, 1974
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3762124

    • Patent number 3,762,124
    • Issue date Oct 2, 1973
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3254576

    • Patent number 3,254,576
    • Issue date Jun 7, 1966
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2912910

    • Patent number 2,912,910
    • Issue date Nov 17, 1959
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2895389

    • Patent number 2,895,389
    • Issue date Jul 21, 1959
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2572451

    • Patent number 2,572,451
    • Issue date Oct 23, 1951
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2496739

    • Patent number 2,496,739
    • Issue date Feb 7, 1950
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2402090

    • Patent number 2,402,090
    • Issue date Jun 11, 1946
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2369412

    • Patent number 2,369,412
    • Issue date Feb 13, 1945
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2321197

    • Patent number 2,321,197
    • Issue date Jun 8, 1943
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2315448

    • Patent number 2,315,448
    • Issue date Mar 30, 1943
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2282519

    • Patent number 2,282,519
    • Issue date May 12, 1942
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2266178

    • Patent number 2,266,178
    • Issue date Dec 16, 1941
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2050935

    • Patent number 2,050,935
    • Issue date Aug 11, 1936
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1937374

    • Patent number 1,937,374
    • Issue date Nov 28, 1933
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1914573

    • Patent number 1,914,573
    • Issue date Jun 20, 1933
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    COVER DEVICE FOR GRATINGS

    • Publication number 20240093511
    • Publication date Mar 21, 2024
    • Sylvia Jaeger
    • F21 - LIGHTING
  • Information Patent Application

    GRATE SYSTEM HAVING MULTIPLE BEARING BARS

    • Publication number 20230114780
    • Publication date Apr 13, 2023
    • OHIO GRATINGS, INC.
    • Michael D. Russo
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Safety Device

    • Publication number 20220178087
    • Publication date Jun 9, 2022
    • Andre Leroux
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Stamped Steel Detectable Warning Tile and Method of Manufacture

    • Publication number 20190226158
    • Publication date Jul 25, 2019
    • TUF-TITE, INC.
    • Theodore W. Meyers
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SYSTEMS FOR CIRCULATING AIR INSIDE A MANHOLE VAULT

    • Publication number 20160356522
    • Publication date Dec 8, 2016
    • NOVINIUM, INC.
    • Glen J. Bertini
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Apparatus and Methods for Electrically Grounding at Least One Mat i...

    • Publication number 20160301161
    • Publication date Oct 13, 2016
    • NEWPARK MATS & INTEGRATED SERVICES LLC
    • James Kerwin McDowell
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Modular Fire Prevention Flooring

    • Publication number 20140137487
    • Publication date May 22, 2014
    • Fireless Flooring LLC
    • Tristan Willfried Mackintosh
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Support platform

    • Publication number 20080235885
    • Publication date Oct 2, 2008
    • Chien-Yao Huang
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Grating system

    • Publication number 20060251474
    • Publication date Nov 9, 2006
    • OHIO GRATINGS, INC.
    • Darryle D. Woodson
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Grating system

    • Publication number 20060078377
    • Publication date Apr 13, 2006
    • Darryle D. Woodson
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES