Gear root geometry for increased carryover volume

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9057372
APP PUB NO 20120141316A1
SERIAL NO

12960599

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A gear includes a gear root defined by a stretched root blended into an involute tooth profile curve within a True Involute Form diameter.

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Patent Owner(s)

Patent OwnerAddress
HAMILTON SUNDSTRAND CORPORATIONFOUR COLISEUM CENTRE 2730 WEST TYVOLA ROAD CHARLOTTE NC 28217

International Classification(s)

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  • 2010 Application Filing Year
  • F04C Class
  • 200 Applications Filed
  • 144 Patents Issued To-Date
  • 72 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2010201120122013201420152016201720182019202020210255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ni, Weishun Rockton, US 10 44
Wakefield, David L Loves Park, US 10 264

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Patent Citation Ranking

  • 2 Citation Count
  • F04C Class
  • 21.24 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges2485401 - 1011 - 20051015202530354045505560657075808590

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 16, 2026