Patents Assigned to Robert Constantine, Inc.
  • Patent number: 5156546
    Abstract: Method and apparatus for cleaning clogged dental equipment lines, such as water and air lines and drains, for a wide variety of dental equipment such as cuspidors and handpieces. One embodiment has an air hose connected to a connector for a handpiece for a drill, etc., wherein the connector has an interior plastic insert which closes off air to the holes in the drill for drive and exhaust air and allows air through two holes which connect with the spray air and water ports of the handpiece for the drill whererby the air blows out the clogged slits. Another embodiment uses the air hose with a rubber nozzle to blow clogged suction lines. Another embodiment has a rubber element with a hole in its middle which fits over the discharge hole in the cuspidor, whereby the air blows out the debris clogging the cuspidor hole and connecting lines.
    Type: Grant
    Filed: October 27, 1989
    Date of Patent: October 20, 1992
    Assignee: Robert Constantine, Inc.
    Inventors: Glenn R. Frank, Edward T. Stewart, Jr.
  • Patent number: 5127129
    Abstract: An apparatus for cleaning clogged dental equipment lines, such as water and air lines and drains, for a wide variety of dental equipment such as cuspidors and handpieces. One embodiment has an air hose connected to a connector for a handpiece for a drill, etc., wherein the connector has an interior plastic insert which closes off air to the holes in the drill for drive and exhaust air and allows air through two holes which connect with the spray air and water ports of the handpiece for the drill whereby the air blows out the clogged slits. Another embodiment uses the air hose with a rubber nozzle to blow clogged suction lines. Another embodiment has a rubber element with a hole in its middle which fits over the discharge hole in the cuspidor, whereby the air blows out the debris clogging the cuspidor hole and connecting lines.
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: July 7, 1992
    Assignee: Robert Constantine, Inc.
    Inventors: Glenn R. Frank, Edward T. Stewart, Jr.