RISER SLEEVE WITH AIR GAP

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20150298201A1
SERIAL NO

14443528

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A riser sleeve (100) for use in a foundry molding operation has cylindrical body in which the side wall (14) that may be untapered or that may taper uniformly from the bottom to the top (12) of the body. The riser sleeve is characterized by a plurality of cavities (102) are formed on the side wall, extending from the top in an axial direction of the body. These cavities provide air gaps when the riser sleeve is inserted into a mold, decreasing heat loss at the interface between the riser sleeve and the mold.

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Patent Owner(s)

Patent OwnerAddress
ASK CHEMICALS L P1209 ORANGE STREET THE CORPORATION TRUST COMPANY CORPORATION TRUST CENTER WILMINGTON DE 19801

International Classification(s)

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  • 2013 Application Filing Year
  • B22C Class
  • 137 Applications Filed
  • 129 Patents Issued To-Date
  • 94.17 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2013201420152016201720182019202020210255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
AUFDERHEIDE, Ronald C Huber Heights, US 18 57
HARMON, Sean R Columbus, US 1 0
HORVATH, Lee R Powell, US 3 2
SHOWMAN, Ralph E Galloway, US 13 30

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Patent Citation Ranking

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  • B22C Class
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges2378601 - 1011 - 200510152025303540455055606570758085

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