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:
Dec. 29, 2009
Filed:
Jul. 14, 2004
Edward P. Fox, Grosse Pointe Park, MI (US);
Dennis W. Keppers, Liberty Township, OH (US);
Daniel M. Barrett, Grosse Pointe Park, MI (US);
Larry L. Holt, Lima, OH (US);
Edward A. Bullerdiek, Grosse Isle, MI (US);
James H. Miller, Liberty Township, OH (US);
Edward P. Fox, Grosse Pointe Park, MI (US);
Dennis W. Keppers, Liberty Township, OH (US);
Daniel M. Barrett, Grosse Pointe Park, MI (US);
Larry L. Holt, Lima, OH (US);
Edward A. Bullerdiek, Grosse Isle, MI (US);
James H. Miller, Liberty Township, OH (US);
Marathon Ashland Petroleum LLC, Findlay, OH (US);
Abstract
An apparatus and method for recovering and recycling hydrogen from a reforming process raises the pressure of at least one hydrogen-rich gas stream from at least one catalyst lock hopper and delivers at least a portion of the pressurized hydrogen-rich gas stream to at least one predetermined downstream location. At least another portion of the pressurized hydrogen-rich gas is used to maintain the desired pressure within the hydrogen recovery and recycling process and apparatus.