Patents by Inventor Eric D. Duden

Eric D. Duden 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: 9678091
    Abstract: Aspects of the invention provide a system comprising a data processor, a gas conducting device, and a sensor. The gas conducting device is submerged and transports a gas. The sensor is connected to the gas conducting device, is also submerged, and is operative to determine a characteristic of the gas conducting device or the gas. The sensor is further operative to transmit data representing the characteristic to the data processor. In one or more non-limiting embodiments, the system comprises a wastewater treatment system, and the gas conducting device comprises a pipe or a diffuser.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: June 13, 2017
    Inventors: Eric D. Duden, Marc D. Kessman, Thomas E. Frankel, Seoungil Kang, Todd D. Ritter
  • Publication number: 20140095115
    Abstract: Aspects of the invention provide a system comprising a data processor, a gas conducting device, and a sensor. The gas conducting device is submerged and transports a gas. The sensor is connected to the gas conducting device, is also submerged, and is operative to determine a characteristic of the gas conducting device or the gas. The sensor is further operative to transmit data representing the characteristic to the data processor. In one or more non-limiting embodiments, the system comprises a wastewater treatment system, and the gas conducting device comprises a pipe or a diffuser.
    Type: Application
    Filed: March 14, 2013
    Publication date: April 3, 2014
    Applicant: Stamford Scientific International, Inc.
    Inventors: Eric D. Duden, Marc D. Kessman, Thomas E. Frankel, Seoungil Kang, Todd D. Ritter