Patents by Inventor Philip O. Jarvinen

Philip O. Jarvinen 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: 6875991
    Abstract: An electrically heated resistance element disposed on axis within a gold coated reflector, which collects the radiated infrared energy from the resistance element and shapes it to a desired beam, provides a shaped high intensity source of infrared radiation which is modulated by a rotating modulator positioned in front of the reflector.
    Type: Grant
    Filed: January 29, 1973
    Date of Patent: April 5, 2005
    Inventors: Philip O. Jarvinen, John R. Kreick
  • Patent number: 6190378
    Abstract: A cryosurgical instrument includes a cryoprobe operative to form an ice ball in tissue of a patient targeted for cryosurgery upon activation, a sheath disposed over the cryoprobe and at least one measuring device supported by the sheath for measuring a parameter of the tissue of the patient. The instrument includes a processor for predicting formation of the ice ball by the cryoprobe over time and a display for displaying the prediction of ice ball formation. The processor is responsive to an output signal provided by the measuring device and a model of the effective thermal conductivity of the tissue of the patient targeted for surgery. In one embodiment, the measuring device is embedded in the sheath and measures temperature, thermal conductivity, blood perfusion rate and/or thermal diffusivity. The processor may be further responsive to an impedance measurement circuit for verifying the prediction.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: February 20, 2001
    Assignee: Massachusetts Institute of Technology
    Inventor: Philip O. Jarvinen
  • Patent number: 6140658
    Abstract: An infrared radiation source is provided by directing combustion gases through a honeycomb mantle along the axis of symmetry thereof. The honeycomb mantle is formed of individual tubes disposed at an angle to the axis of symmetry of the mantle and is closed at the end away from the combustion gas input. The mantle may contain a structure to divert the combustion gases therein to aid in uniform heating.
    Type: Grant
    Filed: February 16, 1973
    Date of Patent: October 31, 2000
    Assignee: Lockheed Martin Corporation
    Inventor: Philip O. Jarvinen
  • Patent number: 4567110
    Abstract: High-temperature joints formed from metallized ceramics are disclosed wherein the metal coatings on the ceramics are vacuum sputtered thereon.
    Type: Grant
    Filed: July 17, 1981
    Date of Patent: January 28, 1986
    Assignee: Massachusetts Institute of Technology
    Inventor: Philip O. Jarvinen