Patents by Inventor Adam Michael Litwinski

Adam Michael Litwinski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10364592
    Abstract: A locking assembly including first and second hubs rotatably mounted in a case, a latch assembly which retracts in response to rotation of either of the hubs, and a locking member which selectively prevents rotation of at least one of the hubs. A sensor assembly is associated with at least one of the hubs, and is configured to transmit a signal in response to rotation of the at least one hub.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: July 30, 2019
    Assignee: Schlage Lock Company LLC
    Inventors: Sundar Raj Dore Vasudevan, Dilip Bangaru, Adam Michael Litwinski, Allen Madrid
  • Publication number: 20180119450
    Abstract: A locking assembly including first and second hubs rotatably mounted in a case, a latch assembly which retracts in response to rotation of either of the hubs, and a locking member which selectively prevents rotation of at least one of the hubs. A sensor assembly is associated with at least one of the hubs, and is configured to transmit a signal in response to rotation of the at least one hub.
    Type: Application
    Filed: December 26, 2017
    Publication date: May 3, 2018
    Inventors: Sundar Raj Dore Vasudevan, Dilip Bangaru, Adam Michael Litwinski, Allen Madrid
  • Patent number: 9850685
    Abstract: An illustrative motor drive assembly is configured for use in a lockset comprising a case, a longitudinally movable link, and a catch configured to move among a locking position and an unlocking position in response to longitudinal movement of the link. The illustrative motor drive assembly includes a longitudinally extending shaft comprising a worm, a motor operable to rotate the shaft, a driver engaged with the worm, and a longitudinally extending spring. The spring is not directly engaged with the worm, and includes a first end coupled with the driver and a second end connectable with the link. Engagement between the worm and driver is configured to longitudinally move the driver in response to rotation of the shaft.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: December 26, 2017
    Assignee: Schlage Lock Company LLC
    Inventors: Sundar Raj Dore Vasudevan, Dilip Bangaru, Adam Michael Litwinski
  • Patent number: 9850684
    Abstract: A locking assembly including first and second hubs rotatably mounted in a case, a latch assembly which retracts in response to rotation of either of the hubs, and a locking member which selectively prevents rotation of at least one of the hubs. A sensor assembly is associated with at least one of the hubs, and is configured to transmit a signal in response to rotation of the at least one hub.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: December 26, 2017
    Assignee: Schlage Lock Company LLC
    Inventors: Sundar Raj Dore Vasudevan, Dilip Bangaru, Adam Michael Litwinski, Allen Madrid
  • Patent number: 9567773
    Abstract: An apparatus and method is disclosed for electronic locks with a selectable power off function. The electronic lock includes an electronic controller disposed within a lock housing and operable to control a state of the lock between locked and unlocked positions. An electronic actuator electrically coupled to the controller is movable between first and second positions corresponding to a locked position and an unlocked position of the lock, respectively. The electronic lock further includes at least one electrical energy storage device and a selector switch coupled to the controller to define a desired state of the lock between one of an electrically locked (EL) and an electrically unlocked (EU) state in an electric power off condition.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: February 14, 2017
    Assignee: Schlage Lock Company LLC
    Inventors: Sundar Raj Dore Vasudevan, Dilip Bangaru, Adam Michael Litwinski, William Brian Ainley, Russell Lee Steiner, Michelle Vickrey
  • Publication number: 20160060904
    Abstract: An illustrative motor drive assembly is configured for use in a lockset comprising a case, a longitudinally movable link, and a catch configured to move among a locking position and an unlocking position in response to longitudinal movement of the link. The illustrative motor drive assembly includes a longitudinally extending shaft comprising a worm, a motor operable to rotate the shaft, a driver engaged with the worm, and a longitudinally extending spring. The spring is not directly engaged with the worm, and includes a first end coupled with the driver and a second end connectable with the link. Engagement between the worm and driver is configured to longitudinally move the driver in response to rotation of the shaft.
    Type: Application
    Filed: September 3, 2014
    Publication date: March 3, 2016
    Inventors: Sundar Raj Dore Vasudevan, Dilip Bangaru, Adam Michael Litwinski
  • Publication number: 20160017638
    Abstract: A locking assembly including first and second hubs rotatably mounted in a case, a latch assembly which retracts in response to rotation of either of the hubs, and a locking member which selectively prevents rotation of at least one of the hubs. A sensor assembly is associated with at least one of the hubs, and is configured to transmit a signal in response to rotation of the at least one hub.
    Type: Application
    Filed: July 17, 2014
    Publication date: January 21, 2016
    Inventors: Sundar Raj Dore Vasudevan, Dilip Bangaru, Adam Michael Litwinski, Allen Madrid
  • Publication number: 20150240529
    Abstract: An apparatus and method is disclosed for electronic locks with a selectable power off function. The electronic lock includes an electronic controller disposed within a lock housing and operable to control a state of the lock between locked and unlocked positions. An electronic actuator electrically coupled to the controller is movable between first and second positions corresponding to a locked position and an unlocked position of the lock, respectively. The electronic lock further includes at least one electrical energy storage device and a selector switch coupled to the controller to define a desired state of the lock between one of an electrically locked (EL) and an electrically unlocked (EU) state in an electric power off condition.
    Type: Application
    Filed: February 25, 2014
    Publication date: August 27, 2015
    Inventors: Sundar Raj Dore Vasudevan, Dilip Bangaru, Adam Michael Litwinski, William Brian Ainley, Russell Lee Steiner, Michelle Vickrey