Patents by Inventor Bruce E. Groves

Bruce E. Groves 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).

  • Publication number: 20110156715
    Abstract: Various environmental systems are disclosed. In accordance with one of the systems, a first and second valve are provided. The valves provide a first air flow path from an air pump to a photo-ionization detector is provided through a pre-filter. The valves also provide a second air flow path from the air pump to the photo-ionization detector so that the pre-filter is isolated from its environmental surroundings. Various other arrangements of environmental monitoring systems with one or more pre-filters are also disclosed.
    Type: Application
    Filed: December 31, 2009
    Publication date: June 30, 2011
    Applicant: Emilcott
    Inventor: Bruce E. Groves