Patents by Inventor Douglas Lenhart

Douglas Lenhart 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: 6001090
    Abstract: A preferred thermal pharmaceutical delivery apparatus (10) includes a drug delivery unit (12) including a drug absorbent gel body (16) capable of desorbing a drug upon being heated, a heating element(18) positioned within the gel body (16), and a power receiving antenna (20) coupled with the heating element (18). The drug delivery unit (12) can be implanted subcutaneously in vivo. The apparatus (10) further includes a power unit (14) having a controller (26) coupled with a sending antenna (28) configured for inductively coupling transdermally with the receiving antenna (20) for delivering electrical power thereto in order to heat the element (18) and release the drug from the gel body (16).
    Type: Grant
    Filed: February 9, 1998
    Date of Patent: December 14, 1999
    Inventor: Douglas Lenhart