Patents by Inventor Donna D. Johnson

Donna D. Johnson 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).

  • Electronic flush valve with optional manual override
    Patent number: 8485496
    Abstract: A flush valve assembly including a discharge receiver with a plug opening therein, a sleeve, a main valve assembly positioned within the sleeve, and a main diaphragm sealingly connected between the main valve assembly and the sleeve. The main diaphragm and the main valve assembly define a control chamber on an upper side thereof and an inlet region on a lower side thereof. The assembly also includes a discharge plug with a flange portion configured to be received in the plug opening in the discharge receiver. When the flush valve assembly is in a non-pressurized condition, the flange portion of the discharge plug is not seated within the plug opening of the discharge receiver, and when the flush valve assembly is in a pressurized condition, the flange portion of the discharge plug is seated within the plug opening of the discharge receiver. The flushing operation may be electronic and/or manual.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: July 16, 2013
    Assignee: Sloan Valve Company
    Inventor: Donna D. Johnson
  • ELECTRONIC FLUSH VALVE WITH OPTIONAL MANUAL OVERRIDE
    Publication number: 20110121213
    Abstract: A flush valve assembly including a discharge receiver with a plug opening therein, a sleeve, a main valve assembly positioned within the sleeve, and a main diaphragm sealingly connected between the main valve assembly and the sleeve. The main diaphragm and the main valve assembly define a control chamber on an upper side thereof and an inlet region on a lower side thereof. The assembly also includes a discharge plug with a flange portion configured to be received in the plug opening in the discharge receiver. When the flush valve assembly is in a non-pressurized condition, the flange portion of the discharge plug is not seated within the plug opening of the discharge receiver, and when the flush valve assembly is in a pressurized condition, the flange portion of the discharge plug is seated within the plug opening of the discharge receiver. The flushing operation may be electronic and/or manual.
    Type: Application
    Filed: November 23, 2009
    Publication date: May 26, 2011
    Applicant: SLOAN VALVE COMPANY
    Inventors: Dwight N. Johnson, Donna D. Johnson