Patents Represented by Law Firm Hopkins, Thomas, Kerr
  • Patent number: 5090903
    Abstract: A system for automatically and progressively dispensing fluids into an individual's mouth comprises a dental prostheses such as a bridge having an interior cavity with a plurality of chambers defined therein. A first passageway communicates between the inner chamber and the interior of the mouth for progressive delivery of fluid from the chamber into the mouth. A second passageway communicates between the outer chamber and the outer surface of the bridge and functions as a vent. Spaced parallel walls within the cavity define the chambers therein and openings in the walls communicate between adjacent chambers. The walls, openings, and passageways are positioned and oriented such that fluid is dispensed into the mouth progressively from the inner chamber during waking hours when the wearer is in a standing or upright position and is not dispensed during the night time or sleeping hours when the wearer is in an inclined or lying position.
    Type: Grant
    Filed: January 18, 1991
    Date of Patent: February 25, 1992
    Inventors: Roy M. Taylor, Leonard Ross
  • Patent number: 5086654
    Abstract: A variable area flowmeter (10) for monitoring the rate of flow of a cooling and lubricating medium about a pump seal, having a transparent flow tube (27) through which the flow passes. An adjustable metering member (38) is mounted within the flow tube (27) and supports a spring biased float (46) which is movable back and forth along the length of the flow tube (27). A cleaning ring (52) is affixed to the closed end (50) of the float (46) and is in tight frictional contact with the inner wall (29) of the flow tube (27). The cleaning ring (52) scrapes the inner wall (29) of the flow tube (27) to remove any accumulated dirt and debris from the inner wall (29) of the flow tube (27).
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: February 11, 1992
    Assignee: Th-Flow, Inc.
    Inventor: Kari Malminen
  • Patent number: D323697
    Type: Grant
    Filed: September 11, 1989
    Date of Patent: February 4, 1992
    Inventor: Francis L. Balkcom, Jr.
  • Patent number: D323831
    Type: Grant
    Filed: September 18, 1990
    Date of Patent: February 11, 1992
    Inventor: Paul S. Hollis
  • Patent number: D323968
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: February 18, 1992
    Inventors: James S. Blocker, Elizabeth T. Donan
  • Patent number: D324273
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: February 25, 1992
    Assignee: Jay M. Jenkins, Jr.
    Inventor: Elizabeth S. Jenkins