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.:
Date of Patent:
Jan. 18, 2005
Filed:
Mar. 07, 2001
Burt Swersey, Stephentown, NY (US);
Marcie J. Harvey, Pearland, TX (US);
Elias Kaplan, Redmond, WA (US);
Jennifer Lamana, Troy, NY (US);
Stephen J. Howard, Troy, NY (US);
Dean Meloney, Troy, NY (US);
John P. Weed, Port St. Lucie, FL (US);
Timothy Novak, Troy, MI (US);
Burt Swersey, Stephentown, NY (US);
Marcie J. Harvey, Pearland, TX (US);
Elias Kaplan, Redmond, WA (US);
Jennifer Lamana, Troy, NY (US);
Stephen J. Howard, Troy, NY (US);
Dean Meloney, Troy, NY (US);
John P. Weed, Port St. Lucie, FL (US);
Timothy Novak, Troy, MI (US);
Rensselaer Polytechnic Institute, Troy, NY (US);
Abstract
Permeability of a porous, sheet-like sample is determined using a device that is designed to measure the pressure differential between a first stream of fluid applied across an entire thickness of a test sample and a second stream of fluid applied across an entire thickness of a reference sample. The flow rate for both the test fluid flow system and the reference fluid flow system is determined independently, by measuring a pressure drop throughout the flow system. Data obtained from pressure and flow rate for test and reference fluids are used to calculate percent change in permeability and/or actual permeability using Darcy's Law.