Densification method and apparatus

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12135168
SERIAL NO

17867902

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A method of densification of refractory material in a gap between a tap hole sleeve of a furnace and a surround block of the furnace, the surround block surrounding the tap hole sleeve, the method comprising, includes positioning a tool in the gap, the tool including a support having opposing surfaces and a sidewall connecting the opposing surfaces, the opposing surfaces having an arcuate shape, a plurality of elongated members extending from one of the opposing surfaces, and a connector arranged on the other of the opposing surfaces. The gap is filled with dry material, and vibration is applied to the tool to densify the dry material.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
HARBISONWALKER INTERNATIONAL HOLDINGS INC1305 CHERRINGTON PARKWAY MOON TOWNSHIP PA 15108

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Duhe, Kim M Katy, US 1 0

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 May 5, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 May 5, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 5, 2036
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