Monolithic heater for thermionic electron cathode

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11948769
APP PUB NO 20240055213A1
SERIAL NO

18261645

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A monolithic graphite heater for heating a thermionic electron cathode includes first and second electrically conductive arms, each one of the first and second electrically conductive arms having an electrode mount at a proximal end, a thermal apex at a distal end, and a transitional region between the electrode mount and the thermal apex; a cathode mount electrically and mechanically coupling each thermal apex to form a maximum Joule-heating region at or adjacent the cathode mount and decreasing Joule heating along each transitional region; and a press-fit aperture formed in the cathode mount, the press-fit aperture sized to receive at least a portion of the thermionic electron cathode for facilitating thermionic emission produced therefrom in response to operative heat power generation provided by the maximum Joule-heating region.

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Patent Owner(s)

Patent OwnerAddress
APPLIED PHYSICS TECHNOLOGIES INC1600 NE MILLER STREET MCMINNVILLE OR 97128

International Classification(s)

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  • 2023 Application Filing Year
  • H01J Class
  • 1721 Applications Filed
  • 298 Patents Issued To-Date
  • 17.32 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Magera, Gerald G Hillsboro, US 10 61
Torok, Aaron M Milwaukie, US 2 1
Wenrich, Joel A Newberg, US 2 1
Zappe, Matthew C Mechanicsburg, US 2 1

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  • 1 Citation Count
  • H01J Class
  • 96.10 % this patent is cited more than
  • 1 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges397216101 - 10025050075010001250150017502000225025002750300032503500375040004250

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