Patents by Inventor P. Hugh Helferty

P. Hugh Helferty 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).

  • Pond system for algae growth and harvesting
    Patent number: 8809029
    Abstract: Management of a pond for algae growth and harvesting is facilitated by use of a cover system. The cover system can include one or more types of cover portions for management of various interactions between a pond and an ambient environment, such as management of incident light, thermal management, facilitating product recovery, and management of gas diffusion. The cover system can be used in conjunction with both active and passive mixing devices.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: August 19, 2014
    Assignee: ExxonMobil Research and Engineering Co.
    Inventors: Paul J. Berlowitz, P. Hugh Helferty
  • Pond System for Algae Growth and Harvesting
    Publication number: 20130095544
    Abstract: Management of a pond for algae growth and harvesting is facilitated by use of a cover system. The cover system can include one or more types of cover portions for management of various interactions between a pond and an ambient environment, such as management of incident light, thermal management, facilitating product recovery, and management of gas diffusion. The cover system can be used in conjunction with both active and passive mixing devices.
    Type: Application
    Filed: October 13, 2011
    Publication date: April 18, 2013
    Applicant: ExxonMobile Research and Engineering Company
    Inventors: Paul J. Berlowitz, P. Hugh Helferty