Patents by Inventor William H. Donhauser

William H. Donhauser 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).

  • Recreational basin
    Patent number: 4371995
    Abstract: A recreational basin having a tub with an inlet for fluids thereto. A pan is superposed in relation to the tub such that fluids can drain from the pan into the tub. A pump transfers fluid from the tub to the pan while a screening device prevents solids from moving from the pan to the tub. A regulator maintains a desired level of fluid in the tub.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: February 8, 1983
    Inventor: William H. Donhauser