Patents by Inventor Jeffrey Mark Huhta

Jeffrey Mark Huhta 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: 8434930
    Abstract: A magnetically-coupled stirring apparatus is provided. The stirring apparatus includes a rotor including at least one rotor magnet, with the rotor being positioned within a chamber. The stirring apparatus further includes an offset stirrer device positioned outside of the chamber. The offset stirrer device includes a shaft including a first end and a second end, with a stirring device axis being offset from a rotor axis, one or more paddle portions extending from the second end, and at least one stirrer magnet affixed to the first end. The at least one rotor magnet magnetically interacts with the at least one stirrer magnet. Rotation of the rotor induces rotation of the offset stirrer device.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: May 7, 2013
    Assignee: Hach Company
    Inventor: Jeffrey Mark Huhta
  • Publication number: 20100020635
    Abstract: A magnetically-coupled stirring apparatus (100) is provided. The stirring apparatus (100) includes a rotor (106) including at least one rotor magnet (107), with the rotor (106) being positioned within a chamber (102). The stirring apparatus (100) further includes an offset stirrer device (120) positioned outside of the chamber (102). The offset stirrer device (120) includes a shaft (134) including a first end (135) and a second end (136), with a stirring device axis being offset from a rotor axis, one or more paddle portions (118) extending from the second end (136), and at least one stirrer magnet (123) affixed to the first end (135). The at least one rotor magnet (107) magnetically interacts with the at least one stirrer magnet (123). Rotation of the rotor (106) induces rotation of the offset stirrer device (120).
    Type: Application
    Filed: February 20, 2008
    Publication date: January 28, 2010
    Applicant: Hach Company
    Inventor: Jeffrey Mark Huhta