Patents by Inventor Patrick E. Callahan

Patrick E. Callahan 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).

  • Patent number: 9353539
    Abstract: A cover assembly for covering a container of liquid includes: a drive shaft including a drive pin; an engagement device configured for moving axially on the drive shaft when the drive pin engages the engagement device, the engagement device including at least one first engagement mechanism; and a first engagement hub rotatably mounted to the drive shaft and configured for being driven by the engagement device, the first engagement hub including at least one second engagement mechanism which includes at least one magnet configured for pulling the at least one first engagement mechanism and thereby for facilitating an engagement of the at least one first engagement mechanism with said at least one second engagement mechanism.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: May 31, 2016
    Assignees: Automatic Pool Covers, Inc., Poolsafe, Inc.
    Inventors: Michael J. Shebek, Patrick E. Callahan
  • Publication number: 20150096115
    Abstract: A cover assembly for covering a container of liquid includes: a drive shaft including a drive pin; an engagement device configured for moving axially on the drive shaft when the drive pin engages the engagement device, the engagement device including at least one first engagement mechanism; and a first engagement hub rotatably mounted to the drive shaft and configured for being driven by the engagement device, the first engagement hub including at least one second engagement mechanism which includes at least one magnet configured for pulling the at least one first engagement mechanism and thereby for facilitating an engagement of the at least one first engagement mechanism with said at least one second engagement mechanism.
    Type: Application
    Filed: October 4, 2013
    Publication date: April 9, 2015
    Applicants: Poolsafe, Inc., Automatic Pool Covers, Inc.
    Inventors: Michael J. Shebek, Patrick E. Callahan