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David R. Torlai

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  • Torrington, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Elevator system safety brake
    • Patent number 12,103,822
    • Issue date Oct 1, 2024
    • Otis Elevator Company
    • Girija Marathe
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Modular sheave unit
    • Patent number 11,261,062
    • Issue date Mar 1, 2022
    • Otis Elevator Company
    • David R. Torlai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Friction liner and traction sheave
    • Patent number 11,254,544
    • Issue date Feb 22, 2022
    • Otis Elevator Company
    • James L. Hubbard
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Coated sheave
    • Patent number 11,111,108
    • Issue date Sep 7, 2021
    • Otis Elevator Company
    • Xiaoyuan Chang
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Unitized segmented sheave assembly
    • Patent number 10,822,202
    • Issue date Nov 3, 2020
    • Otis Elevator Company
    • Austin Lee
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Friction liner and traction sheave
    • Patent number 10,766,746
    • Issue date Sep 8, 2020
    • Otis Elevator Company
    • James L. Hubbard
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Methods and apparatuses for applying a substrate onto an elevator s...
    • Patent number 10,647,547
    • Issue date May 12, 2020
    • Otis Elevator Company
    • Xiaoyuan Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Guide rail for elevator
    • Patent number 10,023,432
    • Issue date Jul 17, 2018
    • Otis Elevator Company
    • Xiaoyuan Chang
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Methods and apparatuses for applying a substrate onto an elevator s...
    • Patent number 9,701,517
    • Issue date Jul 11, 2017
    • Otis Elevator Company
    • Xiaoyuan Chang
    • D07 - ROPES CABLES OTHER THAN ELECTRIC
  • Information Patent Grant

    Thrust bearing assembly
    • Patent number 8,182,157
    • Issue date May 22, 2012
    • Koyo Bearings USA LLC
    • Charles W. Shattuck
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thrust bearing assembly
    • Patent number 7,845,857
    • Issue date Dec 7, 2010
    • Koyo Bearings USA LLC
    • Charles W. Shattuck
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Stamped rocker arms for machines such as internal combustion engines
    • Patent number 6,293,168
    • Issue date Sep 25, 2001
    • The Torrington Company
    • David R. Torlai
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    DUST MITIGATION FOR OPTICAL POSITION REFERENCE SYSTEM OF AN ELEVATO...
    • Publication number 20250019203
    • Publication date Jan 16, 2025
    • Otis Elevator Company
    • Brad Guilani
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    ELEVATOR SUSPENSION MEMBER MONITORING
    • Publication number 20240174490
    • Publication date May 30, 2024
    • Otis Elevator Company
    • Alexander SERKH
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    ELEVATOR LOAD BEARING SUSPENSION MEMBER INCLUDING A CORROSION INHIB...
    • Publication number 20240149516
    • Publication date May 9, 2024
    • Otis Elevator Company
    • Brad GUILANI
    • D07 - ROPES CABLES OTHER THAN ELECTRIC
  • Information Patent Application

    ELEVATOR SYSTEM SAFETY BRAKE
    • Publication number 20240101392
    • Publication date Mar 28, 2024
    • Otis Elevator Company
    • Girija Marathe
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    COATED SHEAVE
    • Publication number 20210362981
    • Publication date Nov 25, 2021
    • Otis Elevator Company
    • Xiaoyuan Chang
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    FRICTION LINER AND TRACTION SHEAVE
    • Publication number 20200369491
    • Publication date Nov 26, 2020
    • Otis Elevator Company
    • James L. Hubbard
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    MODULAR SHEAVE UNIT
    • Publication number 20200346899
    • Publication date Nov 5, 2020
    • Otis Elevator Company
    • David R. Torlai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FRICTION LINER AND TRACTION SHEAVE
    • Publication number 20200055707
    • Publication date Feb 20, 2020
    • Otis Elevator Company
    • James L. Hubbard
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    COATED SHEAVE
    • Publication number 20190337770
    • Publication date Nov 7, 2019
    • Otis Elevator Company
    • Xiaoyuan Chang
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    UNITIZED SEGMENTED SHEAVE ASSEMBLY
    • Publication number 20190047826
    • Publication date Feb 14, 2019
    • Otis Elevator Company
    • Austin Lee
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    METHODS AND APPARATUSES FOR APPLYING A SUBSTRATE ONTO AN ELEVATOR S...
    • Publication number 20170305721
    • Publication date Oct 26, 2017
    • Otis Elevator Company
    • Xiaoyuan Chang
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    GUIDE RAIL FOR ELEVATOR
    • Publication number 20160280512
    • Publication date Sep 29, 2016
    • Otis Elevator Company
    • Xiaoyuan CHANG
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    METHODS AND APPARATUSES FOR APPLYING A SUBSTRATE ONTO AN ELEVATOR S...
    • Publication number 20150210510
    • Publication date Jul 30, 2015
    • Otis Elevator Company
    • Xiaoyuan Chang
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    BEARING
    • Publication number 20130195626
    • Publication date Aug 1, 2013
    • Carrier Corporation
    • Brian Tyler White
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    THRUST BEARING ASSEMBLY
    • Publication number 20110069923
    • Publication date Mar 24, 2011
    • KOYO BEARINGS USA LLC
    • Charles W. Shattuck
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    THRUST BEARING ASSEMBLY
    • Publication number 20090041402
    • Publication date Feb 12, 2009
    • Timken U.S. Corporation
    • Charles W. Shattuck
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Roller and cage assembly
    • Publication number 20050031242
    • Publication date Feb 10, 2005
    • Timken U.S. Corporation
    • David R. Torlai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...