Patents by Inventor Douglas W. Chalmers

Douglas W. Chalmers 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: 20090155436
    Abstract: Embodiments of a fluid container with a disposable filter have been presented. In some embodiments, the filter includes a housing having a top and a bottom, a first integral strainer coupled to the top, a second integral strainer coupled to the bottom, and some filtration particles stored within the housing between the first and the second integral strainers. Furthermore, some embodiments of the filter further include a flange coupled to the top, where the flange may have an outer circumference larger than a circumference of the top of the housing, and an inner circumference smaller than the circumference of the top of the housing.
    Type: Application
    Filed: December 13, 2007
    Publication date: June 18, 2009
    Inventors: Douglas W. Chalmers, Matthew Zuckerman