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US 7,725,971 B2Granted
Liquid container cleaner
OwnerRussell L. Harmerinventor
Life of this patent
Estimating the term…
Abstract
A cleaning device for cleaning sidewalls of a liquid container. The cleaning device includes a cover that can be removably disposed over a flotation device. The cover has a lower cleaning portion that cleans the sidewalls of the container upon contact with the sidewalls. The cover also has an upper noncleaning portion.
Claims10
A flotation device configured to clean sidewalls of a liquid container, comprising:
- a float at least partially submergible with respect to a liquid level in the container, configured to contact the sidewalls of the container in response to liquid movement, and including a variable ballast to at least partially submerge the float to a predetermined level in the liquid, wherein the ballast weight includes a dissolvable cleaning agent configured to dissolve upon contact with the liquid over a predetermined period of time such that the predetermined submerged level of the float decreases as the dissolvable cleaning agent dissolves;
- a cover, removably disposed over the float, having a lower cleaning portion configured to clean the sidewalls of the container upon contact with the sidewalls and an upper noncleaning portion coupled to the lower cleaning portion.
Dependencies are inferred from the claim text.