Patents by Inventor Mark Witthoft

Mark Witthoft 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).

  • Thermal Mass Compensated Dielectric Foam Support Structures for Coaxial Cables and Method of Manufacture
    Publication number: 20110131802
    Abstract: A method for manufacturing a coaxial cable wherein an inner conductor is coated with an adhesive solid or high-density foam polymer or blend. The adhesive solid or high density foam polymer or blend surrounding the inner conductor is provided with a thickness at least 30 percent of the inner conductor diameter. The adhesive solid or high-density foam polymer or blend is surrounded with a foam dielectric. The foam dielectric is surrounded with an outer conductor.
    Type: Application
    Filed: February 1, 2011
    Publication date: June 9, 2011
    Applicant: ANDREW LLC
    Inventors: Mark Witthoft, Alan Moe
  • Thermal mass compensated dielectric foam support structures for coaxial cables and method of manufacture
    Patent number: 7902456
    Abstract: Thermal mass compensated foam support structures for coaxial cables such as inner conductors and or inner conductor support structures. The foam support structures provided with an adhesive solid or high density foam polymer or blend layer to increase the thermal mass of the support structure enough to allow the foam to surround the adhesive solid or high density foam polymer or blend layer without forming unacceptably large voids in the foam dielectric as the foam dielectric cures.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: March 8, 2011
    Assignee: Andrew LLC
    Inventors: Mark Witthoft, Alan Moe
  • Thermal Mass Compensated Dielectric Foam Support Structures for Coaxial Cables and Method of Manufacture
    Publication number: 20090020310
    Abstract: Thermal mass compensated foam support structures for coaxial cables such as inner conductors and or inner conductor support structures. The foam support structures provided with an adhesive solid or high density foam polymer or blend layer to increase the thermal mass of the support structure enough to allow the foam to surround the adhesive solid or high density foam polymer or blend layer without forming unacceptably large voids in the foam dielectric as the foam dielectric cures.
    Type: Application
    Filed: September 23, 2008
    Publication date: January 22, 2009
    Applicant: ANDREW LLC
    Inventors: Mark Witthoft, Alan Moe
  • Coaxial cable with fine wire inner conductor and method of manufacture
    Patent number: 7446257
    Abstract: A high impedance coaxial cable with a fine wire inner conductor and method of manufacture. An inner conductor less than 0.1 inches in diameter is coated with an adhesive resin. The coating having a thickness at least 50 percent of the inner conductor diameter. A foam dielectric surrounds the adhesive resin and an outer conductor surrounds the foam dielectric.
    Type: Grant
    Filed: January 11, 2006
    Date of Patent: November 4, 2008
    Assignee: Andrew LLC
    Inventor: Mark Witthoft
  • Coaxial Cable with Fine Wire Inner Conductor and Method of Manufacture
    Publication number: 20070205008
    Abstract: A high impedance coaxial cable with a fine wire inner conductor and method of manufacture. An inner conductor less than 0.1 inches in diameter is coated with an adhesive resin. The coating having a thickness at least 50 percent of the inner conductor diameter. A foam dielectric surrounds the adhesive resin and an outer conductor surrounds the foam dielectric. Adjusting the thickness of the adhesive resin coating varies the thermal mass of the inner conductor to reduce the appearance of voids between the adhesive resin and dielectric foam.
    Type: Application
    Filed: January 11, 2006
    Publication date: September 6, 2007
    Applicant: ANDREW CORPORATION
    Inventor: Mark Witthoft
  • NON-CONTACT SURFACE COATING MONITOR AND METHOD OF USE
    Publication number: 20060124853
    Abstract: A non-contact surface coating monitor for a surface, including a plurality of temperature sensors coupled to a display. The plurality of temperature sensors arrayed to each sense the temperature of a zone of the surface. An out of range temperature differential between the different temperature sensors indicating an area without surface coating coverage and or an area with excessive coverage.
    Type: Application
    Filed: December 10, 2004
    Publication date: June 15, 2006
    Applicant: ANDREW CORPORATION
    Inventor: Mark Witthoft