Patents by Inventor Richard L. Marino

Richard L. Marino 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).

  • Patent number: 5054160
    Abstract: A kit including a coupler for sealing engagement to a vacuum intake nozzle such as utilized by "shop type" vacuum canisters. The kit further includes an adapter member threadedly securable to the coupler, wherein the adapter member sealingly and slidingly receives therewithin one of a plurality of vacuum wands of generally "L" shaped configuration, with a first wand defining an acute angle and the second wand defining an orthogonal relationship between its legs. The first and second wands are utilized to respectively clean a major and minor sector of a hot water tank, and particularly sediment collected on the bottom portion of the tank.
    Type: Grant
    Filed: January 25, 1990
    Date of Patent: October 8, 1991
    Inventor: Richard L. Marino