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Red Valve Co Inc

Red Valve

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US6016839A	Air diffuser valve	Expired / Lapsed	1998-06-22	2000-01-25	23	Details
US5727593A	Tide gate valve with curvilinear bill	Expired / Lapsed	1996-06-26	1998-03-17	27	Details
US4607663A	Inversion-resistant, readily-openable tide gate valve	Expired / Lapsed	1985-07-12	1986-08-26	6	Details
US4492253A	Tide gate valve	Expired / Lapsed	1982-06-01	1985-01-08	5	Details
US4303222A	Pinch valve	Expired / Lapsed	1980-02-06	1981-12-01	7	Details