Walker; Craig I.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walker; Craig I..The latest application filed is for "velocity profile impeller vane".
- Walker; Craig I. - Frenchs Forest AU
- Walker; Craig I. - Fitchburg WI
- Walker; Craig I. - Sydney AU
- Walker; Craig I. - Artarmon AU
| Patent | Date |
|---|---|
| Velocity profile impeller vane Grant 7,179,057 - Walker , et al. February 20, 2 | 2007-02-20 |
| Casing for a centrifugal pump Grant 6,988,870 - Walker January 24, 2 | 2006-01-24 |
| Velocity profile impeller vane App 20050220620 - Walker, Craig I. ; et al. | 2005-10-06 |
| Casing for a centrifugal pump App 20050163611 - Walker, Craig I. | 2005-07-28 |
| Impeller annular seal Grant 5,411,367 - Walker May 2, 1 | 1995-05-02 |
| Impellers for centrifugal pumps Grant 4,883,403 - Walker November 28, 1 | 1989-11-28 |
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