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:
Mar. 30, 1993
Filed:
Sep. 13, 1991
Applicant:
Inventors:
Brian J Midtling, Glencoe, MN (US);
Lawrence J DeVore, Minneapolis, MN (US);
Victor V Sygen, West St. Paul, MN (US);
Assignee:
The Lemna Corporation, Mendota Heights, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01D / ;
U.S. Cl.
CPC ...
56-8 ; 56-9 ; 2102423 ; 2104331 ;
Abstract
A duckweed slurry is recovered from a body of water. The duckweed slurry includes duckweed and water from the body of water. The duckweed slurry is transported to a dewatering station. A majority of the water from the duckweed slurry is removed at the dewatering station. Water removed from the duckweed slurry is returned to the body of water.