Patents by Inventor William J. Aldridge

William J. Aldridge 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).

  • Odor removal system
    Patent number: 8375476
    Abstract: An odor removal system and device are provided for removing odors from standard gravity fed and water pressure operated toilets. The system includes a fan assembly for directing air from the toilet bowl and overflow tube through a filter containing an appropriate filter material. It operates upon instruction from a mechanism designed to determine when the toilet is in use.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: February 19, 2013
    Assignee: Calgon Carbon Corporation
    Inventors: Nicholas R. Pollack, William J. Aldridge
  • ODOR REMOVAL SYSTEM
    Publication number: 20100199413
    Abstract: An odor removal system and device are provided for removing odors from standard gravity fed and water pressure operated toilets. The system includes a fan assembly for directing air from the toilet bowl and overflow tube through a filter containing an appropriate filter material. It operates upon instruction from a mechanism designed to determine when the toilet is in use.
    Type: Application
    Filed: February 9, 2010
    Publication date: August 12, 2010
    Applicant: Calgon Carbon Corporation
    Inventors: Nicholas R. Pollack, William J. Aldridge
  • Floor drain odor control device
    Patent number: 5925241
    Abstract: A removable floor drain odor control device which fits into standard floor drains of various sizes and acts to reduce or eliminate odors emitted from floor drains through use of a washable and regenerable carbon-based adsorbent. The preferred carbon-based adsorbents is a catalytically-active carbonaceous char, with the Centaur.TM. carbon being most preferred.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: July 20, 1999
    Assignee: Calgon Carbon Corporation
    Inventors: William J. Aldridge, Darcy A. Kadilak, James P. Markowitz