Patents by Inventor Todd Fisher

Todd Fisher 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).

  • Process for in-situ bidegradation of chlorinated aliphatic hydrocarbons by subsurface hydrogen injection
    Patent number: 5602296
    Abstract: The present invention provides a method for stimulating in-situ microbial biodegradation of halogenated organic compounds in an aqueous subsurface environment comprising the delivery of hydrogen, in the absence of nutritional factors, into the subsurface environment.
    Type: Grant
    Filed: August 11, 1995
    Date of Patent: February 11, 1997
    Assignee: Groundwater Services, Inc.
    Inventors: Joseph B. Hughes, Charles J. Newell, R. Todd Fisher