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:
Oct. 23, 2012
Filed:
Aug. 19, 2008
Applicants:
Gary R. Hater, Cincinnati, OH (US);
Kevin M. Mieczkowski, Goshen, KY (US);
Roger Green, Cincinnati, OH (US);
John A. Barbush, Goshen, KY (US);
Inventors:
Gary R. Hater, Cincinnati, OH (US);
Kevin M. Mieczkowski, Goshen, KY (US);
Roger Green, Cincinnati, OH (US);
John A. Barbush, Goshen, KY (US);
Assignee:
Waste Management, Inc., Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
B09C 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A bioreactor including one or more features that improve bioreactor liquid infiltration and gas recovery including a porous material layer having a layer of first porous material including a trench, a second porous material located in the trench and extending beyond the top surface of the layer of first porous material and perforated gas recovery piping located in the second porous material.