Patents by Inventor Richard Herink

Richard Herink 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).

  • Device allowing serial use of clean and alternative blood filters during blood filtration
    Patent number: 7488302
    Abstract: A device that allows for serial (time) use of clean blood filters during the use of a heart lung machine. The device is comprised of a series of filters and a switching mechanism that allows the new filter to be placed in the blood flow pathway while at the same time removing the old (previous) filter. A clean filter is always available, and filters for specific components of blood or those able to bind and remove specific biochemicals can be used.
    Type: Grant
    Filed: March 28, 2005
    Date of Patent: February 10, 2009
    Inventors: Robert Helm, Richard Herink