Other

Eltech Systems Corporation

Robert L Wilhelm

Kenneth L Hardee

Carl W Brown, Jr

Edward M Halko

Michael S Moats

Zane A Wade

William A Nutter

The present invention is a drumstick for striking an instrument to produce a musical sound. An elongated shaft may have a contact end and a butt end. The butt end may be tapered to a tip. The butt end may have a groove therein with an O-ring disposed in the groove.

Drumstick

Various systems and methods for protecting electrowinning anodes having electrocatalytically active coatings in a bank of electrolytic cells from being damaged by reverse currents. In the first embodiment, one or more auxiliary power sources are provided that, when triggered by one or more predetermined conditions being met, keep the bank of electrolytic cells in an electrical state that is relatively harmless to the anodes having electrocatalytically active coatings. In a second embodiment, the invention is directed to a method of maintaining the polarization of anodes in an electrowinning cell positive of the cathodes (i.e. in a potential region where the anode coating is not susceptible to significant damage). In a final embodiment, the invention is directed to various methods for the installation of replacement anodes and maintenance of electrowinning cells.

Anodic protection systems and methods

A bipolar electrolytic cell can include, as a manifold, a spiral manifold assembly. This spiral manifold assembly will comprise a first outer assembly member, a second outer assembly member and a center assembly member. The overall structure can provide reduced loss of metal or gas and minimal loss of electrical current during an electrolytic process.

Spiral feed and discharge manifold for electrolytic cells

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Geneva, OH, United States of America

Robert L Wilhelm