Patents by Inventor Andre Sadowski

Andre Sadowski 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).

  • Electrical sleeve heater
    Patent number: 7049555
    Abstract: A sleeve heater has an electrical and generally cylindrical heater coil centered on an axis and shaped to fit over a part to be heated, a radially compressible and generally cylindrical inner sleeve snugly coaxially surrounding the heater coil, and a radially generally inextensible and generally cylindrical outer sleeve fitted coaxially over the inner sleeve. The outer sleeve has an inner surface bearing tightly radially inward on the inner sleeve and radially compressing the inner sleeve and the coil inward. The inner sleeve is formed with two or more axially extending and axially oppositely open slots that are angularly equispaced, with alternate slots open axially in opposite directions.
    Type: Grant
    Filed: October 7, 2003
    Date of Patent: May 23, 2006
    Assignee: Hotset Heizpatronen U. Zubehor GmbH
    Inventor: Andre Sadowski
  • Electrical sleeve heater
    Publication number: 20040069771
    Abstract: A sleeve heater has an electrical and generally cylindrical heater coil centered on an axis and shaped to fit over a part to be heated, a radially compressible and generally cylindrical inner sleeve snugly coaxially surrounding the heater coil, and a radially generally inextensible and generally cylindrical outer sleeve fitted coaxially over the inner sleeve. The outer sleeve has an inner surface bearing tightly radially inward on the inner sleeve and radially compressing the inner sleeve and the coil inward. The inner sleeve is formed with two or more axially extending and axially oppositely open slots that are angularly equispaced, with alternate slots open axially in opposite directions.
    Type: Application
    Filed: October 7, 2003
    Publication date: April 15, 2004
    Applicant: Hotset Heizpatronen u. Zubehor GmbH
    Inventor: Andre Sadowski