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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 4230576 | Method of cleaning filter elements thereof A filter apparatus has an elongated shaft, a plurality of filtering elements mounted on the shaft and spaced from one another in direction of elongation of the latter, and means for cleaning the filtering elements. The cleaning means includes a source of ... | 10/28/1980 |
| 4213861 | Pressure filter and process for cleaning it In a pressure filter for liquid media a plurality of filter elements is supported by a removable hollow cross bar which, when the filter tank is opened, can be removed together with all or groups of the filter elements. The filter element has a flexible f... | 07/22/1980 |
| 4167482 | Filtering method and apparatus A filtering apparatus has a housing and a brush-like filter element in the housing. The filter element includes a support which is permeable to the liquid or gas to be filtered. A filtering medium is secured to the permeable support and is in the form of ... | 09/11/1979 |
| 4089781 | Method of and apparatus for regenerating a pressure filter A method of and an apparatus for regenerating a pressure filter in which the liquid to be filtered is flown through a filter medium arranged in such a way as to partition the interior of the filter housing into a pressure chamber adapted to receive the li... | 05/16/1978 |
| 3984317 | Apparatus and process for continuous concentration and washing of solids from a solids-containing fluid Apparatus for concentrating and washing solids in a slurry comprising a housing containing both separation/concentration and washing chambers with an inlet for continuously injecting solids -- containing fluid into the separation chamber wherein a dynamic... | 10/05/1976 |
