Method of manufacturing a tubular product and tubular product

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11230743
APP PUB NO 20200263266A1
SERIAL NO

16793214

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention relates to a method for manufacturing a tubular product, characterized in that the tubular product is manufactured from steel comprising chromium in the range of 2.5 to 9.5 wt. % and silicon in an amount of more than 1.0 wt. %, and the method comprises the steps of austenitizing, quenching and tempering at a tempering temperature in the range of 300° C. to 550° C. Furthermore, the invention concerns a tubular product produced by this method.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
BENTELER STEEL/TUBE GMBH33104 PADERBORN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Köster, Ralf Schlangen, DE 3 9
Kaufmann, Michael Paderborn, DE 74 571
Walterfang, Marco Paderborn, DE 3 1

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 Jul 25, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 25, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 25, 2033
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