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.

Date of Patent:
Jul. 24, 2007

Filed:

Jul. 09, 2004
Applicants:

Peter Massaro, Burlington, CT (US);

Michael Paschetto, Hampden, MA (US);

Inventors:

Peter Massaro, Burlington, CT (US);

Michael Paschetto, Hampden, MA (US);

Assignee:

Protedyne Corporation, Windsor, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B 31/10 (2006.01); A61M 5/31 (2006.01);
U.S. Cl.
CPC ...
Abstract

A sample handling tool includes a body having at least one plunger associated with a channel and arranged for axial movement within the channel. A seal is provided in the channel and sealingly engaged with a contact surface. The contact surface may include a surface feature, such that when contact surface moves, the seal and surface feature come into at least partial contact with one another. The seal may include an elastomeric member, such as an O-ring or X-ring, and the contact surface may be formed from any suitable material, including ceramic. The surface feature may take on a variety of forms including any suitable texture, surface porosity or include one or more grooves, holes, recesses, indentations, bumps, protrusions, etc., or a combination thereof.


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