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Patent applications and USPTO patent grants for Duke; Brian Ernest.The latest application filed is for "flapper valves with spring tabs".
Patent | Date |
---|---|
Heat exchanger plates and methods for manufacturing heat exchanger plates Grant 7,681,313 - Zurawel , et al. March 23, 2 | 2010-03-23 |
Flapper valves with spring tabs Grant 7,318,451 - Peric , et al. January 15, 2 | 2008-01-15 |
Flapper valves with spring tabs App 20060237183 - Peric; Yuri ;   et al. | 2006-10-26 |
Heat exchanger plates and methods for manufacturing heat exchanger plates App 20060169444 - Zurawel; Peter ;   et al. | 2006-08-03 |
Apparatus and method for forming shaped articles App 20050241360 - Miller, Timothy B. ;   et al. | 2005-11-03 |
Heat exchanger plates and manufacturing method Grant 6,837,305 - Zurawel , et al. January 4, 2 | 2005-01-04 |
Heat exchanger plates and manufacturing method App 20040226706 - Zurawel, Peter ;   et al. | 2004-11-18 |
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