Removing by magnetic effect

Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic bar for pickup head of sweeper truck

    • Patent number 11,105,057
    • Issue date Aug 31, 2021
    • William J. Hopwood
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    EMRID electromagnetic pickup tool

    • Patent number 10,717,171
    • Issue date Jul 21, 2020
    • Francis Gerard Truglio
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Artificial field litter pick-up device

    • Patent number 8,308,868
    • Issue date Nov 13, 2012
    • Greensgroomer Worldwide, Inc.
    • Michael E. Davis
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Artificial field litter pick-up device

    • Patent number 8,209,809
    • Issue date Jul 3, 2012
    • Greensgroomer Worldwide, Inc.
    • Michael E. Davis
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Magnetic sweeper

    • Patent number 8,104,620
    • Issue date Jan 31, 2012
    • Steelworks Hardware, LLC
    • Pei-Ying Lin
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Machine for removing ferrous debris

    • Patent number 7,740,082
    • Issue date Jun 22, 2010
    • Troy K. Davidson
    • F41 - WEAPONS
  • Information Patent Grant

    Device for removing metallic objects from a railway bed

    • Patent number 7,244,089
    • Issue date Jul 17, 2007
    • Sperling Railway Services, Inc.
    • Fred S. Sperling
    • B61 - RAILWAYS
  • Information Patent Grant

    Method and apparatus for selectively capturing ferrous debris from...

    • Patent number 6,464,083
    • Issue date Oct 15, 2002
    • HM Cross & Sons
    • Paul S. Harrison
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Magnetic sweeper

    • Patent number 6,402,212
    • Issue date Jun 11, 2002
    • Chieh-Jen Hsiao
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Multifunctional pick-up tool

    • Patent number 6,315,340
    • Issue date Nov 13, 2001
    • Andrew Chen
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Magnetic sweeper

    • Patent number 6,142,310
    • Issue date Nov 7, 2000
    • Gerald Allen Haase
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Rolling magnetic rake for collecting nails and other debris from a...

    • Patent number 5,979,957
    • Issue date Nov 9, 1999
    • Baxter; Michael L
    • James G. Conrad
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Device for use in picking up metallic objects

    • Patent number 5,624,146
    • Issue date Apr 29, 1997
    • Elmer De Los Reyes
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Metal particle sweeper

    • Patent number 5,549,207
    • Issue date Aug 27, 1996
    • Kathleen Busico
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Collecting device

    • Patent number 5,540,470
    • Issue date Jul 30, 1996
    • Tun Yi Electronics Co., Ltd.
    • Wen-San Lu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Magnetic sweeper apparatus and method

    • Patent number 5,481,983
    • Issue date Jan 9, 1996
    • Burlington Northern Railroad Company
    • Alberto M. Guzman
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Magnetic sweeper

    • Patent number 5,413,225
    • Issue date May 9, 1995
    • Shields Company
    • Charles W. Shields
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Magnetic pickup tool

    • Patent number 5,265,887
    • Issue date Nov 30, 1993
    • John J. Stelmach
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Magnetic pickup tool

    • Patent number 5,169,193
    • Issue date Dec 8, 1992
    • John J. Stelmach
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Vehicle for cleaning railway roadbeds of magnetic articles

    • Patent number 4,225,429
    • Issue date Sep 30, 1980
    • John D. Holley
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Mobile apparatus for receiving and conveying ferrous rail fastening...

    • Patent number 4,178,236
    • Issue date Dec 11, 1979
    • Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H
    • Josef Theurer
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Mobile apparatus for receiving and conveying ferrous rail fastening...

    • Patent number 4,178,237
    • Issue date Dec 11, 1979
    • Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H
    • Josef Theurer
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Magnetic sweeper

    • Patent number 4,017,386
    • Issue date Apr 12, 1977
    • The Raymond Lee Organization, Inc.
    • Samuel M. Barry
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3709360

    • Patent number 3,709,360
    • Issue date Jan 9, 1973
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3690264

    • Patent number 3,690,264
    • Issue date Sep 12, 1972
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3646492

    • Patent number 3,646,492
    • Issue date Feb 29, 1972
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3401365

    • Patent number 3,401,365
    • Issue date Sep 10, 1968
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3172143

    • Patent number 3,172,143
    • Issue date Mar 9, 1965
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3157267

    • Patent number 3,157,267
    • Issue date Nov 17, 1964
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3146015

    • Patent number 3,146,015
    • Issue date Aug 25, 1964
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    FRONT MOUNT MAGNETIC SWEEPER APPARATUS

    • Publication number 20240165636
    • Publication date May 23, 2024
    • Bluestreak Equipment Inc.
    • Emmett TOWNSEND
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    GRAVITY CLEAN-OFF MAGNETIC SWEEPER APPARATUS

    • Publication number 20240159004
    • Publication date May 16, 2024
    • Bluestreak Equipment Inc.
    • John MAGUIRE
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Application

    SELECTIVE ELECTROMAGNETIC DEVICE FOR VEHICLES

    • Publication number 20240125065
    • Publication date Apr 18, 2024
    • GM Cruise Holdings LLC
    • Daniel Kan
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    multi-functional FOD-cleaning machine

    • Publication number 20230034864
    • Publication date Feb 2, 2023
    • James Walter Beard
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    MAGNETIC ASSEMBLY FOR A VEHICLE

    • Publication number 20210262181
    • Publication date Aug 26, 2021
    • David Donald Behrendt
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    DEVICE AND METHOD FOR REMOVING OF UNWANTED MATERIAL

    • Publication number 20210087763
    • Publication date Mar 25, 2021
    • Phillip Island Nature Park Board of Management Inc.
    • John Donald Orbell
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    MAGNETIC BAR FOR PICKUP HEAD OF SWEEPER TRUCK

    • Publication number 20190226169
    • Publication date Jul 25, 2019
    • William J. Hopwood
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    DEVICE AND METHOD FOR REMOVING OF UNWANTED MATERIAL

    • Publication number 20180258599
    • Publication date Sep 13, 2018
    • Phillip Island Nature Park Board of Management Inc.
    • John Donald Orbell
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    CLEANING DEVICE

    • Publication number 20170260704
    • Publication date Sep 14, 2017
    • ASTROBOT
    • Nicolas De Geyter
    • A46 - BRUSHWARE
  • Information Patent Application

    BACK SAVER

    • Publication number 20130194058
    • Publication date Aug 1, 2013
    • VALERIA DENISE FRANKLIN
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    ARTIFICIAL FIELD LITTER PICK-UP DEVICE

    • Publication number 20120017939
    • Publication date Jan 26, 2012
    • Michael E. Davis
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Machine for removing ferrous debris

    • Publication number 20090223683
    • Publication date Sep 10, 2009
    • Troy K. Davidson
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    ARTIFICIAL FIELD LITTER PICK-UP DEVICE

    • Publication number 20090183323
    • Publication date Jul 23, 2009
    • Michael E. Davis
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    MAGNETIC SWEEPER

    • Publication number 20080078698
    • Publication date Apr 3, 2008
    • STEELWORKS HARDWARE, LLC
    • Pei-Ying Lin
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Device for removing metallic objects from a railway bed

    • Publication number 20060045684
    • Publication date Mar 2, 2006
    • Fred S. Sperling
    • B61 - RAILWAYS
  • Information Patent Application

    Magnetic sweeper with flux optimizing channel structure

    • Publication number 20040051324
    • Publication date Mar 18, 2004
    • Greg S. Snider
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES