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Patent applications and USPTO patent grants for KANAGAWA KIKI KOGYO CO., LTD..The latest application filed is for "filter element structure and backwash type filter including the same filter element structure".
Patent | Date |
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Filter Element Structure And Backwash Type Filter Including The Same Filter Element Structure App 20150328569 - Yamada; Norio ;   et al. | 2015-11-19 |
Notched wire, notched wire element and filtration apparatus Grant 8,251,230 - Takahashi , et al. August 28, 2 | 2012-08-28 |
Notched wire, notched wire element and filtration apparatus App 20060266695 - Takahashi; Hideto Y. ;   et al. | 2006-11-30 |
Automatic Continuously Backflow Washing-type Filter Grant 3,784,016 - Akiyama January 8, 1 | 1974-01-08 |
Automatic Continuously Backflow Washing-type Filter Grant 3,734,299 - Akiyama May 22, 1 | 1973-05-22 |
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