Pump fluid end with positional indifference for maintenance

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11441687
APP PUB NO 20200362971A1
SERIAL NO

16411911

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A packing assembly for a pump fluid end comprising: a packing screw; a packing carrier; and a packing, wherein the packing screw, the packing carrier, and the packing are each cylindrical with a width measured along a central axis thereof that is less than a minimum spacing distance of a pump comprising the pump fluid end and a pump power end, wherein the pump fluid end comprises a reciprocating element bore in which a reciprocating element can be reciprocated via the pump power end via connection of the reciprocating element to a reciprocating element adapter coupled with a pushrod and crankshaft of the pump power end, wherein the minimum spacing distance is an axial distance measured along the central axis between a back of the pump fluid end and a front end of the reciprocating element adapter when the crankshaft of the pump power end is at top dead center.

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First Claim

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Patent Owner(s)

  • HALLIBURTON ENERGY SERVICES, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hurst, Justin Lee Healdton, US 24 79
Olis, James Alan Duncan, US 11 29

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Maintenance Fees

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3.5 Year Payment $1600.00 $800.00 $400.00 Mar 13, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Mar 13, 2030
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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