VACUUM PUMP

Number of patents in Portfolio can not be more than 2000

United States of America Patent

SERIAL NO

15674560

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A vacuum pump comprises: a pump rotor rotatably driven by a motor and fastened to a shaft; a recessed portion formed at a suction-port-side end surface of the pump rotor; and a rotor balance correction member including a cover portion configured to cover the recessed portion.

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Patent Owner(s)

Patent OwnerAddress
SHIMADZU CORPORATION1 NISHINOKYO KUWABARA-CHO NAKAGYO-KU KYOTO-SHI KYOTO 6048511 ?6048511

International Classification(s)

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  • 2017 Application Filing Year
  • F04D Class
  • 1765 Applications Filed
  • 1253 Patents Issued To-Date
  • 71 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
KIMURA, Hiroaki Kyoto, JP 127 1079

Cited Art Landscape

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Patent Citation Ranking

  • 1 Citation Count
  • F04D Class
  • 30.09 % this patent is cited more than
  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges651455101 - 1011 - 2051 - 600102030405060708090100110120130140150160

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