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. 01, 2025

Filed:

Oct. 25, 2023
Applicant:

Bio-rad Laboratories, Inc., Hercules, CA (US);

Inventors:

Christopher Belisle, Walnut Creek, CA (US);

Mark A. Snyder, Oakland, CA (US);

Assignee:

Bio-Rad Laboratories, Inc., Hercules, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 15/22 (2006.01); G01N 30/52 (2006.01); G01N 30/60 (2006.01);
U.S. Cl.
CPC ...
G01N 30/52 (2013.01); B01D 15/22 (2013.01); G01N 30/6021 (2013.01); G01N 2030/522 (2013.01);
Abstract

A dynamic axial compression column is disclosed herein. This dynamic axial column utilized external compression to prevent the creation of end plate space in the column. The dynamic axial column can include a tube defining a first opening, a second opening, and a lumen extending there between. The dynamic axial column can include a first end plate assembly sealing the first opening and movably extending at least partially into the lumen via the first opening, a second end plate assembly sealing the second opening, a plurality of rods extending along the outside of the tube and connecting the first end plate assembly and the second end plate assembly, and a first plurality of compression devices external to the tube and engaging one of the plurality of rods to bias the first end plate assembly towards the second end plate assembly.


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