Carburizing treatment apparatus and method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8764915
APP PUB NO 20070062612A1
SERIAL NO

11533161

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

In order to provide a further uniform carburizing treatment to an article to be treated, a carburizing treatment apparatus which performs carburizing treatment by heating the article to be treated in a treatment chamber, the inside of which is under reduced pressure and in a carburizing gas atmosphere, includes a temperature measurement means for measuring temperatures in a plurality of regions inside the treatment chamber and a temperature adjustment means for individually adjusting temperatures in the plurality of regions on the basis of measurement results of the temperature measurement means so that the article to be treated is given a uniform carburizing treatment.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO LTD2-1 OHTEMACHI 2-CHOME CHIYODA-KU TOKYO 100-8182

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Katsumata, Kazuhiko Saitama, JP 46 141

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 Jan 1, 2026
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