Patents by Inventor Dennis A. VANCE

Dennis A. VANCE 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).

  • Chemical Mixer Tool and Drum Assembly
    Publication number: 20190060851
    Abstract: The present invention involves a drum assembly including a barrel having a top and a bottom. The top has a valve port and a mixer port. The bottom has a downwardly conical shape. The barrel interior storage extends from the top to the conical center of the bottom for extracting liquid from the barrel. The mixer port supports a mixer tool having a shaft with mixing paddles extending into the interior of the barrel.
    Type: Application
    Filed: August 3, 2018
    Publication date: February 28, 2019
    Inventors: Stephen CAIN, Dennis A. VANCE