The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6977058 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 20, 2005

Filed:

Mar. 11, 2003
Applicants:

Leonard S. Aubrey, Arden, NC (US);

Donald B. Craig, Fletcher, NC (US);

Steven H. Martin, Hendersonville, NC (US);

Inventors:

Leonard S. Aubrey, Arden, NC (US);

Donald B. Craig, Fletcher, NC (US);

Steven H. Martin, Hendersonville, NC (US);

Assignee:

Porvair PLC, Norfolk, GB;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C21C007/00 ;
U.S. Cl.
CPC ...
Abstract

A strainer for molten metal. The strainer comprises a well and a multiplicity of passages. Each passage comprises a first cavity a second cavity with a smaller equivalent diameter than the first cavity. A neck is between the first cavity and second cavity. An inoculation pellet is received in the well.


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Aubrey, Leonard. (2005). Inoculant-strainer with improved filtration effectiveness and inoculant dissolution (U.S. Patent No. 6977058). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6977058

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