Patents by Inventor William L. Barham

William L. Barham 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: 20190060040
    Abstract: A dental suction tip that can be connected through a hose to a low pressure or vacuum source will entrain material in a patient's mouth. A flap valve is formed by incisions in the hollow tube forming the suction tip. The flap valve is located between opposite ends of the dental suction tip so that the flap valve remains aligned with the tube walls so as not to restrict entraining flow in the suction tip. The dental suction tip can be reoriented with the tube extending between the patient's lips so that the patient can exert pressure to force valve flaps inwardly to open the valve to permit the patient to spit into the dental suction tip. The flap valve is spaced from the open end of the suction tip by a distance sufficient to prevent simultaneous blockage of both openings to avoid stalling or suck back or fluid migration and resulting adverse effects on patient health without compromising evacuating flow.
    Type: Application
    Filed: July 23, 2018
    Publication date: February 28, 2019
    Inventor: William l. Barham
  • Patent number: 8398398
    Abstract: A dental suction apparatus 2 includes a tubular vacuum member 10, such as a tubular vacuum tip or aspirator, and a protective foam pad 20. The pad is mounted on a distal end 12 of the tubular vacuum member through a first opening 32 and partially through a second opening 34. In a folded operative position, the foam member 20 not only protects the patient's mouth, but creates a larger surface through which fluids and debris particles can be drawn though the influence of a vacuum.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: March 19, 2013
    Inventor: William L. Barham
  • Patent number: 8353305
    Abstract: A denture treating apparatus employs a receptacle base with a chamber closed by a rotatable cover. A denture and an effervescing denture treating composition, such as a denture cleaning tablet is place in water in the chamber. When the chamber is closed, the pressure created by the effervescing tablet causes the active ingredients to penetrate small spaces in the denture. A seal is compressed between relative thick peripheral lips on the cover and receptacle base. Thinner sections of the receptacle base can bow under pressure to show that pressure is building up. A shiftable handle on the cover makes it easier for a user to close the cover and compress the seal.
    Type: Grant
    Filed: January 24, 2007
    Date of Patent: January 15, 2013
    Inventor: William L Barham
  • Patent number: 6966441
    Abstract: Flasks 10, 110, 210 and 310 serve as a storage container for toothbrushes 2, 2A and serve are reservoirs for a treating solution, such as a cleaner, which can be used to clean, deodorize, sanitize, decontaminate or otherwise treat the toothbrush between brushings. Flask 10 has an upper section 14 separated from a lower section 22 by an intermediate section 18, which contains a constricted throat 20. A toothbrush 2 in an inverted position would be supported by an inwardly tapered surface 16 above the constricted throat 20. Toothbrush bristles 6 would be located in the enlarged lower section 22, which serves as a reservoir for the treating solution. The constricted throat 22 can be sealed so that overpressure in the lower section can enhance the action of the treating solution. A covered flask 110 can also be used to store or merchandise the toothbrush.
    Type: Grant
    Filed: April 22, 2003
    Date of Patent: November 22, 2005
    Inventors: William L. Barham, William B. Barham
  • Publication number: 20040211683
    Abstract: Flasks 10, 110, 210 and 310 serve as a storage container for toothbrushes 2, 2A and serve are reservoirs for a treating solution, such as a cleaner, which can be used to clean, deodorize, sanitize, decontaminate or otherwise treat the toothbrush between brushings. Flask 10 has an upper section 14 separated from a lower section 22 by an intermediate section 18, which contains a constricted throat 20. A toothbrush 2 in an inverted position would be supported by an inwardly tapered surface 16 above the constricted throat 20. Toothbrush bristles 6 would be located in the enlarged lower section 22, which serves as a reservoir for the treating solution. The constricted throat 22 can be sealed so that overpressure in the lower section can enhance the action of the treating solution. A covered flask 110 can also be used to store or merchandise the toothbrush.
    Type: Application
    Filed: April 22, 2003
    Publication date: October 28, 2004
    Inventors: William L. Barham, William B. Barham
  • Publication number: 20040136864
    Abstract: An apparatus and methods for treating dentures at elevated pressured to enhance the effectiveness of the treatment employs a sealed pressure containment vessel. Denture cleaning, disinfecting, deorderizing, brightening, bleaching can be performed using this apparatus and method and the effectiveness of conventional active agents in removing plaque or the biolayer on the surface of the denture can be improved. Active agents can be forced into pores, fissures and microscopic openings in dentures to remove pathogens or contaminants that cannot be reached by conventional processes. The effectiveness of conventional effervescent denture treatment tablets can also be increased.
    Type: Application
    Filed: January 10, 2003
    Publication date: July 15, 2004
    Inventor: William L. Barham
  • Patent number: 6257888
    Abstract: An accessory for a dental practitioner during a dental procedure utilizing an instrument held in one hand is in the form of a miniature tray-like holder of tough sharp-point penetration resistant, stiffly resilient material, preferably a thermo-formable plastic, formed with a recess containing a flexible absorbent wiping medium for the instrument, such as one or more small elongated cylinders of conventional quilted dental padding or a flexible cellular foam, is anchored to the back of the opposite hand of the practitioner by means e.g. of a layer of adhesive carried on its underface and adhered to the back of the hand or resilient wings downwardly gripping a finger thereof. The recess is contoured to promote retention of the absorbent material therein The holder preferably also has a well for holding a small vial of tooth polishing paste adjacent to the wiping medium recess for ready access during polishing.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: July 10, 2001
    Inventor: William L. Barham
  • Patent number: 5795065
    Abstract: A temperature-time-pressure detecting device for a closed heat treatment zone consists of a sealed discoidal-shaped capsule of substantially transparent material adapted for placement within the zone in a generally vertical position. The capsule is formed of two opposed preferably symmetrical circular shell walls sealed around their common rim and defining therebetween a central core region containing a shaped mass of a fusible indicating material having a defined melting point at least as high as the temperature to be detected. The central core region is surrounded by an inner and an outer annular chamber which are concentric with the core region and with one another.
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: August 18, 1998
    Inventor: William L. Barham