Proppants and methods of making the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9975813
SERIAL NO

14903457

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Synthetic ceramic proppants are described. Methods to make these proppants and methods of using these proppants are also described.

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)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fang, Christopher Y Houston, US 10 141
Khadilkar, Chadra Houston, US 1 8
Koep, Erik Houston, US 2 23

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 Nov 22, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 22, 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