Patents by Inventor Dean Groff

Dean Groff 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).

  • Publication number: 20120025124
    Abstract: The present invention provides a service valve body for a heating/cooling system. The valve body has a main body, a charge port stem, and first and second stems, all of which are monolithic with one another (e.g., formed in one piece) such that there are no seams, joints, or brazed connections between the components. The charge port and valve stem contained therein may be angled relative to the axis of the first and/or second stem.
    Type: Application
    Filed: July 28, 2011
    Publication date: February 2, 2012
    Inventors: Thomas C. Trent, Dean Groff
  • Publication number: 20050204769
    Abstract: A generally cylindrical restrictor insert for containing an axially movable, apertured restrictive member, housed in a flow control distributor housing of an orifice expansion device used for bi-directionally-flowing pressurized fluid, with a housing passageway being closed off via an annular adaptor flange also having an internal filter, the restrictor insert having a central axial through bore with a plurality of adjoining bore portions defining a central bore cavity, the restrictor insert also having a leading portion, with a frusto-conical front end surface, and intermediate and trailing portions, the latter having a shoulder portion and an annular end face, the restrictive member being located and axially freely movable within a distributor housing central bore cavity, with the restrictor insert, in turn being located, via slip-fit insertion, in a distributor housing central passageway.
    Type: Application
    Filed: March 8, 2005
    Publication date: September 22, 2005
    Inventors: Brian Oberley, Dean Groff