Fill up and circulation tool and method of operating

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9677350
SERIAL NO

14537391

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A fill-up and circulation tool includes a central assembly including a mandrel, a nose assembly disposed at a terminal end of the mandrel, an outer assembly coupled to the central assembly, and a valve configured to change position between a closed position and an open position, wherein changing position between the closed position and the open position includes movement of the outer assembly relative to the central assembly.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
CANRIG DRILLING TECHNOLOGY LTD14703 F M 1488 MAGNOLIA TX 77354

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kunec, Alex Tomball, US 9 39

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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 13, 2028
Fee Large entity fee small entity fee micro entity fee
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