Accumulator system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11441579
APP PUB NO 20200173465A1
SERIAL NO

16787536

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A double acting accumulator system includes a housing including an actuator housing, a first piston housing coupled to the actuator housing, a second piston housing coupled to the actuator housing, a shaft configured to move axially within the first piston housing and the second piston housing, a first piston coupled to a first end of the shaft, a second piston coupled to a second end of the shaft, an electric actuator configured to couple to and drive the shaft to alternatingly compress fluid with the first piston in the first piston housing and the second piston in the second piston housing to drive fluid out of the respective first piston housing and the second piston housing, and a plurality of anti-rotation shafts configured to block rotation of the shaft.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
SCHLUMBERGER TECHNOLOGY CORPORATION110 SCHLUMBERGER DRIVE SUGAR LAND TX 77478

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Givens, Matthew David Houston, US 4 21
McGuire, Stephen Hockley, US 8 25
Nault, Christopher Houston, US 11 32
Rakhunde, Vikas Cypress, US 23 48

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 13, 2034
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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