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The South Dakota Board of Regent, As Governing Board for South Dakota State University

Prairie Aquatech

Michael L Brown

William R Gibbons

Robert D Moss

John Reeve

Jacob Feinzilberg

Don J Stortroen

The present invention describes a bio-based process to produce high quality protein concentrate (HQPC) by converting plant derived celluloses into bioavailable protein via aerobic incubation, including the use of such HQPC so produced as a nutrient, including use as a fish meal replacement in aquaculture diets.

Microbial-based process for high quality protein concentrate

Microbial-based process for high-quality protein concentrate

A work scheduling method utilizes a Computerized Maintenance Management System (CMMS) which communicates with a work order database and a labor pool database, each having a plurality of entries therein. A resource leveling program accesses the entries in the databases and applies an order of fire to the entries to utilize available manpower in a manner which at least attempts to achieve plant success through the provision of at least a draft work schedule. After running the resource level program, the preferred embodiment allows user input to affect at least portions of the order of fire to allow modification and an ability to rerun the program.

Maintenance scheduling method

A differentially inflatable toilet comprising flexible plastic sheet structure forming, when inflated, a hollow body having a central well; gusset structure in the hollow inflated body for resisting lateral relative closing of the well when the body is sat upon to become deformed, and; a flexible sheet receptacle that has a first portion received in the well, and a second portion overlying and supported on the body.

Inflatable child's toilet

An apparatus for neutralizing and disposing of infectious solid waste and non-hazardous solid waste includes a housing having an upper chamber for receiving the infectious solid waste and a lower chamber for receiving the non-hazardous solid waste. The upper chamber includes an exterior loading door, and an interior discharge door. A discharge ram forms one wall of the upper chamber opposite to the discharge door. The upper chamber includes door seals and pressure fittings so that the infectious waste placed therein may be sterilized by steam introduced under pressure. The neutralized wastes are ejected by the discharge ram through the interior door into the lower chamber. One wall of the lower chamber comprises a compactor ram which is extendable through a discharge opening to compress the neutralized and non-hazardous wastes into a closed compactor container.

Growing community of inventors

Volga, SD, United States of America

Michael L Brown