Patents by Inventor Albert D. Barth

Albert D. Barth 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).

  • Internal artificial vagina for collecting animal semen
    Patent number: 6554811
    Abstract: An internal artificial vagina for collecting animal semen including a stiff support frame comprising a straight bar portion having at one end thereof a generally circular ring portion substantially perpendicular to the axis of the bar portion and an attachment means at the other end of the bar portion. An elastomeric tube open at both ends is adapted to slide within the frame ring portion with an end portion of the elastomeric tube stretched and pulled outwardly around the frame ring portion whereby the ring portion is retained within the folded portion of the elastomeric tube. The other end portion of the elastomeric tube is fixed to the attachment means of the frame. A replaceable semen collection bag is also provided in the form of an elongated generally cylindrical thin, flexible plastic member having a closed end and an open end.
    Type: Grant
    Filed: September 5, 2001
    Date of Patent: April 29, 2003
    Assignee: University of Saskatchewan Technologies Inc.
    Inventor: Albert D. Barth
  • Internal artificial vagina for collecting animal semen
    Publication number: 20020032419
    Abstract: An internal artificial vagina for collecting animal semen including a stiff support frame comprising a straight bar portion having at one end thereof a generally circular ring portion substantially perpendicular to the axis of the bar portion and an attachment means at the other end of the bar portion. An elastomeric tube open at both ends is adapted to slide within the frame ring portion with an end portion of the elastomeric tube stretched and pulled outwardly around the frame ring portion whereby the ring portion is retained within the folded portion of the elastomeric tube. The other end portion of the elastomeric tube is fixed to the attachment means of the frame. A replaceable semen collection bag is also provided in the form of an elongated generally cylindrical thin, flexible plastic member having a closed end and an open end.
    Type: Application
    Filed: September 5, 2001
    Publication date: March 14, 2002
    Inventor: Albert D. Barth