TREA

Pulley blocks with multiple sheaves

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Industry

  • CPC
  • B66D2700/028
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B66Lifting technology B66DCAPSTANS WINCHES TACKLES B66D2700/00Capstans, winches or hoists

Current Industry

B66D2700/028Pulley blocks with multiple sheaves
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Simultaneously oppositely rotating sheaves
    • Patent number 12,168,596
    • Issue date Dec 17, 2024
    • Steven A. Hunsaker
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Hoisting and tensioning bearing saver
    • Patent number 11,279,601
    • Issue date Mar 22, 2022
    • National-Oilwell Varco, L.P.
    • Reece William Kaybidge
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator sheave assembly
    • Patent number 11,059,699
    • Issue date Jul 13, 2021
    • TK Elevator Innovation and Operations GmbH
    • Jeffrey Duvall
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Hook block base body
    • Patent number 10,662,041
    • Issue date May 26, 2020
    • Liebherr-Werk Ehingen GmbH
    • Bernd Boos
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Adjustable roller system for rope rescues and rope climbing
    • Patent number 10,549,966
    • Issue date Feb 4, 2020
    • John A. Ziebell
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    3827514
    • Patent number 3,827,514
    • Issue date Aug 6, 1974
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3815432
    • Patent number 3,815,432
    • Issue date Jun 11, 1974
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3806094
    • Patent number 3,806,094
    • Issue date Apr 23, 1974
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3797806
    • Patent number 3,797,806
    • Issue date Mar 19, 1974
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3786935
    • Patent number 3,786,935
    • Issue date Jan 22, 1974
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3787032
    • Patent number 3,787,032
    • Issue date Jan 22, 1974
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3773295
    • Patent number 3,773,295
    • Issue date Nov 20, 1973
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3757959
    • Patent number 3,757,959
    • Issue date Sep 11, 1973
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3733053
    • Patent number 3,733,053
    • Issue date May 15, 1973
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3705708
    • Patent number 3,705,708
    • Issue date Dec 12, 1972
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3684245
    • Patent number 3,684,245
    • Issue date Aug 15, 1972
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3680840
    • Patent number 3,680,840
    • Issue date Aug 1, 1972
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3679012
    • Patent number 3,679,012
    • Issue date Jul 25, 1972
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3652058
    • Patent number 3,652,058
    • Issue date Mar 28, 1972
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3643365
    • Patent number 3,643,365
    • Issue date Feb 22, 1972
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3531089
    • Patent number 3,531,089
    • Issue date Sep 29, 1970
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3528645
    • Patent number 3,528,645
    • Issue date Sep 15, 1970
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3526389
    • Patent number 3,526,389
    • Issue date Sep 1, 1970
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3516642
    • Patent number 3,516,642
    • Issue date Jun 23, 1970
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3512757
    • Patent number 3,512,757
    • Issue date May 19, 1970
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3489470
    • Patent number 3,489,470
    • Issue date Jan 13, 1970
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3450243
    • Patent number 3,450,243
    • Issue date Jun 17, 1969
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3446484
    • Patent number 3,446,484
    • Issue date May 27, 1969
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3433459
    • Patent number 3,433,459
    • Issue date Mar 18, 1969
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3396498
    • Patent number 3,396,498
    • Issue date Aug 13, 1968
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

  • Information Patent Application

    PULLEY
    • Publication number 20220396456
    • Publication date Dec 15, 2022
    • TREEMAGINEERS LTD
    • Christopher COWELL
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    SIMULTANEOUSLY OPPOSITELY ROTATING SHEAVES
    • Publication number 20210331901
    • Publication date Oct 28, 2021
    • Steven A. Hunsaker
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Elevator Sheave Assembly
    • Publication number 20190263631
    • Publication date Aug 29, 2019
    • THYSSENKRUPP AG
    • Jeffrey Duvall
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Hook block base body
    • Publication number 20190077643
    • Publication date Mar 14, 2019
    • LIEBHERR-WERK EHINGEN GMBH
    • Bernd BOOS
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    ADJUSTABLE ROLLER SYSTEM FOR ROPE RESCUES AND ROPE CLIMBING
    • Publication number 20190023541
    • Publication date Jan 24, 2019
    • John A. Ziebell
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    HOISTING AND TENSIONING BEARING SAVER
    • Publication number 20180282137
    • Publication date Oct 4, 2018
    • National-Oilwell Varco, L.P.
    • Reece William Kaybidge
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...