Patents by Inventor Randolph J. Crowson, II

Randolph J. Crowson, II 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).

  • Hinged Motion Transducer
    Publication number: 20180020835
    Abstract: A hinged electrodynamic transducer apparatus is disclosed for providing oscillating and/or vibrational motion. The hinged transducer of the present invention is configured to be robust and low profile for installation under chairs, seats, and other items of furniture such that it can impart vibrational motion capable of being sensed by the human body (DC to approximately 500Hz.
    Type: Application
    Filed: September 11, 2017
    Publication date: January 25, 2018
    Inventor: Randolph J. Crowson, II
  • Robust Low Profile Shaker
    Publication number: 20170322108
    Abstract: An electrodynamic shaker apparatus is disclosed for providing shaking and/or vibrational motion. The shaker includes armature and stator assemblies as well as a distributed spring assembly. The shaker apparatus of the present invention is robust, supports increased off-center loads, and has a low profile such that it may be easily placed under an item of furniture in order to impart vibrational motion in response to electrical signals from a variety of sources.
    Type: Application
    Filed: May 9, 2016
    Publication date: November 9, 2017
    Inventor: Randolph J. Crowson, II
  • Hinged motion transducer
    Patent number: 9762105
    Abstract: A hinged electrodynamic transducer apparatus is disclosed for providing oscillating and/or vibrational motion. The hinged transducer of the present invention is configured to be robust and low profile for installation under chairs, seats, and other items of furniture such that it can impart vibrational motion capable of being sensed by the human body (DC to approximately 500 Hz.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: September 12, 2017
    Inventor: Randolph J. Crowson, II
  • ROBUST LOW PROFILE SHAKER
    Publication number: 20150096383
    Abstract: An electrodynamic shaker apparatus is disclosed for providing shaking and/or vibrational motion. The shaker includes armature and stator assemblies as well as a distributed spring assembly. The shaker apparatus of the present invention is robust, supports increased off-center loads, and has a low profile such that it may be easily placed under an item of furniture in order to impart vibrational motion in response to electrical signals from a variety of sources.
    Type: Application
    Filed: October 4, 2013
    Publication date: April 9, 2015
    Inventor: Randolph J. Crowson, II
  • Hinged Motion Transducer
    Publication number: 20140265648
    Abstract: A hinged electrodynamic transducer apparatus is disclosed for providing oscillating and/or vibrational motion. The hinged transducer of the present invention is configured to be robust and low profile for installation under chairs, seats, and other items of furniture such that it can impart vibrational motion capable of being sensed by the human body (DC to approximately 500 Hz.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 18, 2014
    Inventor: Randolph J. Crowson, II
  • ROBUST LOW PROFILE SHAKER
    Publication number: 20120060616
    Abstract: An electrodynamic shaker apparatus is disclosed for providing shaking and/or vibrational motion. The shaker includes armature and stator assemblies as well as a distributed spring assembly. The shaker apparatus of the present invention is robust, supports increased off-center loads, and has a low profile such that it may be easily placed under an item of furniture in order to impart vibrational motion in response to electrical signals from a variety of sources.
    Type: Application
    Filed: November 19, 2011
    Publication date: March 15, 2012
    Inventor: Randolph J. Crowson, II
  • Robust low profile shaker
    Patent number: 8061210
    Abstract: An electrodynamic shaker apparatus is disclosed for providing shaking and/or vibrational motion. The shaker includes armature and stator assemblies as well as a distributed spring assembly. The shaker apparatus of the present invention is robust, supports increased off-center loads, and has a low profile such that it may be easily placed under an item of furniture in order to impart vibrational motion in response to electrical signals from a variety of sources.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: November 22, 2011
    Inventor: Randolph J. Crowson, II
  • Robust low profile shaker
    Publication number: 20100058872
    Abstract: An electrodynamic shaker apparatus is disclosed for providing shaking and/or vibrational motion. The shaker includes armature and stator assemblies as well as a distributed spring assembly. The shaker apparatus of the present invention is robust, supports increased off-center loads, and has a low profile such that it may be easily placed under an item of furniture in order to impart vibrational motion in response to electrical signals from a variety of sources.
    Type: Application
    Filed: November 12, 2009
    Publication date: March 11, 2010
    Inventor: Randolph J. Crowson, II
  • Robust low profile shaker
    Patent number: 7069787
    Abstract: An electrodynamic shaker apparatus is disclosed for providing shaking and/or vibrational motion. The shaker includes armature and stator assemblies as well as a distributed spring assembly. The shaker apparatus of the present invention is robust, supports increased off-center loads, and has a low profile such that it may be easily placed under an item of furniture in order to impart vibrational motion in response to electrical signals from a variety of sources.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: July 4, 2006
    Inventor: Randolph J. Crowson, II