Patents by Inventor David Barlowe

David Barlowe 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).

  • Portable sprayer having automated pressurizing means
    Patent number: 7971803
    Abstract: The portable sprayer having automated pressurizing means includes a canister, air compressor, and battery compartment. In an alternative embodiment a pair of fold out wheels can extend and retract from underneath the canister to improve the overall mobility of the sprayer. In yet another embodiment, the canister includes an optional manual pump to use in the event the batteries lose their charge. In all embodiments, a cover screws onto a top of the canister to enable refilling of the canister.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: July 5, 2011
    Inventor: David Barlowe