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Prasanna Nagarajan

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  • Farmington, CT, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ELEVATOR MACHINE BRAKING
    • Publication number 20240275314
    • Publication date Aug 15, 2024
    • Otis Elevator Company
    • Steven Michael Millett
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELEVATOR MACHINE BRAKING
    • Publication number 20240275313
    • Publication date Aug 15, 2024
    • Otis Elevator Company
    • Prasanna Nagarajan
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SYSTEM AND METHOD FOR ADDRESSING ELEVATOR DRIVE FAULTS
    • Publication number 20220204315
    • Publication date Jun 30, 2022
    • Otis Elevator Company
    • Prasanna Nagarajan
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    FAULT CLASSIFICATION IN ELEVATOR SYSTEMS
    • Publication number 20210371242
    • Publication date Dec 2, 2021
    • Otis Elevator Company
    • Uwe Schönauer
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    EMERGENCY BRAKING FOR A DRIVE SYSTEM
    • Publication number 20200259430
    • Publication date Aug 13, 2020
    • Otis Elevator Company
    • Prasanna Nagarajan
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    ACTIVE BRAKING FOR IMMEDIATE STOPS
    • Publication number 20200055693
    • Publication date Feb 20, 2020
    • Otis Elevator Company
    • Prasanna Nagarajan
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    ELEVATOR MACHINE BRAKE DELAY CONTROL
    • Publication number 20190300330
    • Publication date Oct 3, 2019
    • Otis Elevator Company
    • Camilo CARDONA
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    EMERGENCY BRAKING FOR A DRIVE SYSTEM
    • Publication number 20190097551
    • Publication date Mar 28, 2019
    • Otis Elevator Company
    • Prasanna Nagarajan
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELEVATOR DRIVE CONTROL TO PROTECT DRIVE COMPONENTS FROM MOISTURE
    • Publication number 20180346285
    • Publication date Dec 6, 2018
    • Otis Elevator Company
    • Prasanna NAGARAJAN
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    RESCUE CONTROL AND METHOD OF OPERATING AN ELEVATOR SYSTEM INCLUDING...
    • Publication number 20180244492
    • Publication date Aug 30, 2018
    • Otis Elevator Company
    • Edward D. PIEDRA
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    UNINTERRUPTED RESCUE OPERATION
    • Publication number 20180215582
    • Publication date Aug 2, 2018
    • Otis Elevator Company
    • Amir Lotfi
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    ADVANCED SMOOTH RESCUE OPERATION
    • Publication number 20180016114
    • Publication date Jan 18, 2018
    • Otis Elevator Company
    • Prasanna Nagarajan
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    UNINTERRUPTED RESCUE OPERATION
    • Publication number 20170283213
    • Publication date Oct 5, 2017
    • Otis Elevator Company
    • Amir Lotfi
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    ADVANCED SMOOTH RESCUE OPERATION
    • Publication number 20170247222
    • Publication date Aug 31, 2017
    • Otis Elevator Company
    • Prasanna Nagarajan
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    PWM STRATEGY FOR REGENERATIVE MULTILEVEL DRIVE
    • Publication number 20160311644
    • Publication date Oct 27, 2016
    • Otis Elevator Company
    • Ismail Agirman
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER