Patents by Inventor David Witsoe

David Witsoe 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).

  • Method and apparatus for preparation of solutions from concentrates
    Patent number: 5344392
    Abstract: An apparatus for proportioning solutions from at least first and second constituent solutions connected to separate inlet ports of the apparatus first detects which constituent solution is being supplied to which port and then properly proportions the finished solution from the constituent solutions irrespective of which constituent solution is connected to which inlet port.
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: September 6, 1994
    Assignee: Baxter International Inc.
    Inventors: Mark Senninger, Rodney Kenley, David Witsoe, Richard Bucchianeri, Laura Deming, Ben Garcia