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Ventilation > Chimney Or Stack Chimney Or StackChimney Or Stack patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.05/25/06 - 20060111033 - Pollen cleaning method and a device applying this method A method of cleaning pollen from mechanical impurities, spore and micro-organisms is based on the fact that dirty pollen (1) is sucked to air flow via an insulant sieve (2). Clean pollen (3) falls into a filter (6), dirt (5) sticks on the sieve (2). The pollen cleaning device consists ... 10/20/05 - 20050233685 - Door or window made of ventilated plate glass etc., with wire mesh The two pieces of plate glass, 2, which may be substituted plastic board or wood board, has many ventilated holes, 3. The wire mesh, 4, is laminated between the two pieces of plate glass, 2, and is part of an electronic sensor circuit used to prevent thieves. According to the ... ### FreshPatents.com Support |