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Patent applications and USPTO patent grants for Hendrick; Fred W..The latest application filed is for "multiple orifice valve with improved turn-down ratio".
Patent | Date |
---|---|
Multiple orifice valve with improved turn-down ratio Grant 5,054,521 - Hendrick October 8, 1 | 1991-10-08 |
Disk valve Grant 5,025,833 - Hendrick June 25, 1 | 1991-06-25 |
Gear drive for a disk Grant 4,901,977 - Hendrick February 20, 1 | 1990-02-20 |
Mounting of disk in a disk valve Grant 4,603,834 - Hendrick August 5, 1 | 1986-08-05 |
Mounting for a valve actuator Grant 4,585,025 - Hendrick April 29, 1 | 1986-04-29 |
Multiple orifice valve with low volume flow control Grant 4,431,028 - Hendrick February 14, 1 | 1984-02-14 |
Plural rate burner with deflection of high rate flame against flame sensing element Grant 3,870,458 - Hendrick March 11, 1 | 1975-03-11 |
Plural Rate Burner With Flame Enhancement Grant 3,825,398 - Katchka , et al. July 23, 1 | 1974-07-23 |
Valve Assembly Grant 3,815,873 - Hendrick June 11, 1 | 1974-06-11 |
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