Pump

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12025135
SERIAL NO

17432614

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The pump includes a ring-shaped first inclined surface formed in a portion of a production pipe located above a motor stator and inclined in a direction toward a central axis of the production pipe with respect to a direction from an upper end to a lower end of the production pipe, and a ring-shaped second inclined surface that is formed outside a lower end portion of a pump stator constituting an inner element and comes into surface contact with the first inclined surface.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI HEAVY INDUSTRIES LTDTOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mitsuda, Kimihiko Tokyo, JP 10 25
Sasaki, Shuhei Tokyo, JP 8 9

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Jan 2, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 2, 2032
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Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00