Patents by Inventor Klaas Jensma

Klaas Jensma 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).

  • Methods and apparatus for cooling surfaces
    Patent number: 6387090
    Abstract: In methods and apparatus for cooling surfaces, a pressurized liquid refrigerant is dispensed through a shaped member composed of an open celled foam. The method is particularly useful for localized freezing of a wart or other growth prior to its removal from skin of a human being or another animal.
    Type: Grant
    Filed: February 29, 2000
    Date of Patent: May 14, 2002
    Assignee: Orasure Tehcnologies, Inc.
    Inventor: Klaas Jensma
  • Method for cooling surfaces
    Patent number: 6092527
    Abstract: In methods and apparatus for cooling surfaces, a pressurized liquid refrigerant is dispensed through a shaped member composed of an open celled foam. The method is particularly useful for localized freezing of a wart or other growth prior to its removal from skin of a human being or another animal.
    Type: Grant
    Filed: February 3, 1998
    Date of Patent: July 25, 2000
    Assignee: STC Technologies Inc.
    Inventor: Klaas Jensma
  • Apparatus for cooling surfaces
    Patent number: 5738682
    Abstract: In methods and apparatus for cooling surfaces, a pressurized liquid refrigerant is dispensed through a shaped member composed of an open celled foam. The method is particularly useful for localized freezing of a wart or other growth prior to its removal from skin of a human being or another animal.
    Type: Grant
    Filed: October 24, 1996
    Date of Patent: April 14, 1998
    Assignee: Koninklijke Utermohlen N.V.
    Inventor: Klaas Jensma