Patents Represented by Attorney, Agent or Law Firm Tom H. Dao
  • Patent number: 6231085
    Abstract: An improved tubing adapter or coupling apparatus, and combination of same with other fittings, is characterized by an adapter member having a first end including at least one exterior barb for engagement with tubing and a sleeve member operatively positioned around the adapter. In some systems, the tubing or hose may include a fitting at its other extremity, such as a hose end, an ell, or another coupling. The sleeve member of the coupling apparatus preferably includes one or more view ports. The ports can enable the user to visually confirm the tubing has been properly and completely assembled onto the adapter member, and, following initial assembly, to visually ascertain the position of the tubing on the adapter. The apparatus also preferably includes corresponding engagement detents on the adapter and sleeve member, for initial engagement of the retaining member with the adapter member prior to assembly with tubing.
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: May 15, 2001
    Assignee: Irrigation Development Company
    Inventor: Donald O. Olson
  • Patent number: 6182555
    Abstract: A brewing machine freshly brews a single-serving of coffee or tea to be served hot or cold. The machine preferably includes a housing assembly, with a window therein to permit the viewing of the brewing of a fresh serving of coffee or tea, a water supply, a dry coffee or tea storage area, a brewer, and a flavor additive storage area. The coffee or tea is preferably brewed in a condensed form which becomes diluted to drinking strength by the addition of hot or cool water, and/or by the addition of hot or cool flavorings. The cool drink can subsequently be served over ice to provide a cold serving of iced coffee or tea. Mixing the various ingredients to obtain the final cup of coffee or tea preferably occurs in the user's cup. Preferred methods of making a freshly brewed single-serving of coffee or tea are disclosed.
    Type: Grant
    Filed: April 7, 1999
    Date of Patent: February 6, 2001
    Assignee: Red River Tea Company
    Inventors: Rick Scheer, Jeff Farris
  • Patent number: D444734
    Type: Grant
    Filed: July 7, 1999
    Date of Patent: July 10, 2001
    Inventor: Grace S. Penney