Multi-stage vacuum pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9739278
SERIAL NO

14219769

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Abstract

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A multi-stage vacuum pump may include a sealing arrangement for sealing between the stator components of the pump. The end seals of the arrangement comprise an annular portion for sealing between end stator components and shell components and axial portions which extend from the annular portion and together with separate axial seals seal between the shell components.

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Patent Owner(s)

  • EDWARDS LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eadie, Ross Gordon Chichester, GB 1 2
Holbrook, Alan Ernest Kinnaird Pulborough, GB 25 40
Kailasam, Sivabalan Gyeonggi-do, KR 7 4

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