Methods and apparatus for coring

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9869146
SERIAL NO

13864830

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Described herein is an inner tube for a core barrel which has a structure adapted to retain lubricant for lubricating a sampled core. The internal surface of the inner tube includes a plurality of structures to retain lubricant adjacent a core received in the inner tube. An example structure is multiple alveoli in which lubricant is retained.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • HALLIBURTON ENERGY SERVICES, INC.

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chauviere, Aurelien Uccle, BE 2 4
Che, Khac Nguyen Brussels, BE 5 10
Mageren, Olivier Jette, BE 21 105

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 16, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 16, 2029
Fee Large entity fee small entity fee micro entity fee
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