TREA

Britt Calloway

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  • Midlothian, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rail gear assembly
    • Patent number 12,275,284
    • Issue date Apr 15, 2025
    • Cranemasters, Inc.
    • Thomas Dwyer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Gutter broom
    • Patent number 12,029,312
    • Issue date Jul 9, 2024
    • Old Dominion Brush Company
    • Britt R. Calloway
    • A46 - BRUSHWARE
  • Information Patent Grant

    System and method for efficient engine operation
    • Patent number 11,957,298
    • Issue date Apr 16, 2024
    • Old Dominion Brush Company
    • Britt R. Calloway
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Material collection system
    • Patent number 11,959,236
    • Issue date Apr 16, 2024
    • Old Dominion Brush Company
    • Britt R. Calloway
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Material collection system
    • Patent number 11,933,006
    • Issue date Mar 19, 2024
    • Old Dominion Brush Company
    • Britt R. Calloway
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Lifting apparatus
    • Patent number D1004901
    • Issue date Nov 14, 2023
    • Cranemasters, Inc.
    • Barry Isringhausen
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Gutter broom
    • Patent number 11,759,004
    • Issue date Sep 19, 2023
    • Old Dominion Brush Company
    • Britt R. Calloway
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Compact material collection system
    • Patent number 11,753,784
    • Issue date Sep 12, 2023
    • Old Dominion Brush Company
    • Britt R. Calloway
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Cable broom
    • Patent number 11,751,677
    • Issue date Sep 12, 2023
    • Old Dominion Brush Company
    • Britt R. Calloway
    • A46 - BRUSHWARE
  • Information Patent Grant

    Tank car lifting apparatus
    • Patent number 11,530,117
    • Issue date Dec 20, 2022
    • Cranemasters, Inc.
    • Barry Isringhausen
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Gutter broom
    • Patent number 11,523,676
    • Issue date Dec 13, 2022
    • Old Dominion Brush Company
    • Britt R. Calloway
    • A46 - BRUSHWARE
  • Information Patent Grant

    Lifting arm
    • Patent number D968745
    • Issue date Nov 1, 2022
    • Cranemasters, Inc.
    • Barry Isringhausen
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Lifting arm
    • Patent number D967592
    • Issue date Oct 18, 2022
    • Cranemasters, Inc.
    • Barry Isringhausen
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Cable broom
    • Patent number 11,399,623
    • Issue date Aug 2, 2022
    • Old Dominion Brush Company
    • Britt R. Calloway
    • A46 - BRUSHWARE
  • Information Patent Grant

    Tank car lifting apparatus
    • Patent number 11,325,814
    • Issue date May 10, 2022
    • Cranemasters, Inc.
    • Barry Isringhausen
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Compact material collection system
    • Patent number 11,319,683
    • Issue date May 3, 2022
    • Old Dominion Brush Company
    • Britt R. Calloway
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Lifting arm
    • Patent number D931342
    • Issue date Sep 21, 2021
    • Cranemasters, Inc.
    • Barry Isringhausen
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Lifting arm
    • Patent number D930052
    • Issue date Sep 7, 2021
    • Cranemasters, Inc.
    • Barry Isringhausen
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    System and method for efficient engine operation
    • Patent number 11,035,089
    • Issue date Jun 15, 2021
    • Old Dominion Brush Company
    • Britt R. Calloway
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Tank car lifting apparatus
    • Patent number 10,577,226
    • Issue date Mar 3, 2020
    • Cranemasters, Inc.
    • Barry Isringhausen
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Tank car lifting apparatus
    • Patent number 10,150,651
    • Issue date Dec 11, 2018
    • CRANEMASTERS, INC.
    • Barry Isringhausen
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

  • Information Patent Application

    RAIL GEAR ASSEMBLY
    • Publication number 20250229586
    • Publication date Jul 17, 2025
    • Cranemasters, Inc.
    • Thomas DWYER
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SYSTEM AND METHOD FOR EFFICIENT ENGINE OPERATION
    • Publication number 20250098919
    • Publication date Mar 27, 2025
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MATERIAL COLLECTION SYSTEM
    • Publication number 20250075454
    • Publication date Mar 6, 2025
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    MATERIAL COLLECTION SYSTEM
    • Publication number 20240301639
    • Publication date Sep 12, 2024
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SYSTEM AND METHOD FOR EFFICIENT ENGINE OPERATION
    • Publication number 20240225397
    • Publication date Jul 11, 2024
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MATERIAL COLLECTION SYSTEM
    • Publication number 20240183125
    • Publication date Jun 6, 2024
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SYSTEM AND METHOD FOR EFFICIENT ENGINE OPERATION
    • Publication number 20240130589
    • Publication date Apr 25, 2024
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MATERIAL COLLECTION SYSTEM
    • Publication number 20240102257
    • Publication date Mar 28, 2024
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    GUTTER BROOM
    • Publication number 20230309683
    • Publication date Oct 5, 2023
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • A46 - BRUSHWARE
  • Information Patent Application

    MATERIAL COLLECTION SYSTEM
    • Publication number 20230250600
    • Publication date Aug 10, 2023
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    TANK CAR LIFTING APPARATUS
    • Publication number 20230192452
    • Publication date Jun 22, 2023
    • Cranemasters, Inc.
    • Barry ISRINGHAUSEN
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    GUTTER BROOM
    • Publication number 20230172350
    • Publication date Jun 8, 2023
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    CABLE BROOM
    • Publication number 20220361660
    • Publication date Nov 17, 2022
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • A46 - BRUSHWARE
  • Information Patent Application

    TANK CAR LIFTING APPARATUS
    • Publication number 20220259014
    • Publication date Aug 18, 2022
    • Cranemasters, Inc.
    • Barry ISRINGHAUSEN
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    COMPACT MATERIAL COLLECTION SYSTEM
    • Publication number 20220251792
    • Publication date Aug 11, 2022
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    RAIL GEAR ASSEMBLY
    • Publication number 20220161620
    • Publication date May 26, 2022
    • Cranemasters, Inc.
    • Thomas DWYER
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CABLE BROOM
    • Publication number 20220160120
    • Publication date May 26, 2022
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • A46 - BRUSHWARE
  • Information Patent Application

    GUTTER BROOM
    • Publication number 20220160118
    • Publication date May 26, 2022
    • Old Dominion Brush Company
    • Britt R. CALLOWAY
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Compact Material Collection System
    • Publication number 20220136190
    • Publication date May 5, 2022
    • Old Dominion Brush Company
    • Britt CALLOWAY
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    TANK CAR LIFTING APPARATUS
    • Publication number 20200299107
    • Publication date Sep 24, 2020
    • Cranemasters, Inc.
    • Barry ISRINGHAUSEN
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    TANK CAR LIFTING APPARATUS
    • Publication number 20190106298
    • Publication date Apr 11, 2019
    • Cranemasters, Inc.
    • Barry ISRINGHAUSEN
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    TANK CAR LIFTING APPARATUS
    • Publication number 20180201484
    • Publication date Jul 19, 2018
    • Cranemasters, Inc.
    • Barry ISRINGHAUSEN
    • B66 - HOISTING LIFTING HAULING