Patents by Inventor Lawrence E. Madson, Jr.

Lawrence E. Madson, Jr. 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).

  • Heating unit for therapeutic moist heat packs
    Patent number: 5977520
    Abstract: A moist heat unit for applying heat to therapeutic moist heat packs includes a stainless steel tank for receiving water and the heat packs. The stainless steel tank is mounted in an insulating jacket having a stainless steel liner and a heat insulating outer cover, and the tank is mounted to create a continuous space between the tank and the stainless steel liner of the insulating jacket. A silastic, silicone rubber electric resistance heating assembly is bonded externally to the bottom of the stainless steel tank and is designed to provide wattage within a range of from 10 to 15 watts per square inch. The tank is closed by an insulated cover having an inner lining of stainless steel.
    Type: Grant
    Filed: August 19, 1997
    Date of Patent: November 2, 1999
    Inventors: Lawrence E. Madson, Jr., Donald W. Stansbury
  • Whirlpool bath with a tank with recessed sump
    Patent number: 5335375
    Abstract: A whirlpool bath is provided having a support frame for contact with a supporting surface. The support frame includes a support section for separately supporting a water containing tank and an impeller for selectively creating a water jet stream within the tank or pumping water from the tank. The support section is vertically adjustable to adjust the position of both the tank and the impeller relative to the support surface and the impeller is separately adjustable vertically relative to the tank. The tank is not secured to the support section, and both the tank and the impeller may be separately removed for cleaning. The tank includes a sump at one end thereof which is dimensioned to receive the impeller when water is to be pumped from the tank.
    Type: Grant
    Filed: November 3, 1993
    Date of Patent: August 9, 1994
    Inventor: Lawrence E. Madson, Jr.
  • Whirlpool bath with removable tank
    Patent number: 5289598
    Abstract: A whirlpool bath is provided having a support frame for contact with a supporting surface. The support frame includes a support section for separately supporting a water containing tank and an impeller for creating a water jet stream within the tank. The support section is vertically adjustable to adjust the position of both the tank and the impeller relative to the support surface and the impeller is separately adjustable vertically relative to the tank. The tank is not secured to the support section, and both the tank and the impeller may be separately removed for cleaning.
    Type: Grant
    Filed: February 3, 1993
    Date of Patent: March 1, 1994
    Inventor: Lawrence E. Madson, Jr.