Patents by Inventor Mark D. Aldrich

Mark D. Aldrich 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).

  • Multi-chambered booth and method for filling drums
    Patent number: 5971043
    Abstract: An apparatus and method for filling drums with a substance. First and second external chambers are employed, and an interior filling chamber is employed, which is adjacent to the first and second external chambers. A first exterior door is provided between the first external chamber and an outside environment, a second exterior door is provided between the second external chamber and the outside environment, a first interior door is provided between the first external chamber and the filling chamber, and a second interior door is provided between the second external chamber and the filling chamber. The filling chamber fills a drum with the substance and vents out of the filling chamber gaseous emissions produced during said filling.
    Type: Grant
    Filed: May 11, 1998
    Date of Patent: October 26, 1999
    Assignee: Delta Deluxe, L.L.C. (D/B/A/ Delta Chemical Services)
    Inventor: Mark D. Aldrich