Stunkard; Gerald A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stunkard; Gerald A..The latest application filed is for "ball valve having self-centering seats".
- Stunkard; Gerald A. - Jenks OK US
| Patent | Date |
|---|---|
| Pig valve having trunnion supported ball, self-centering seats and universal type mounting flanges Grant 8,601,634 - Stunkard December 10, 2 | 2013-12-10 |
| Ball valve having self-centering seats Grant 7,690,626 - Stunkard April 6, 2 | 2010-04-06 |
| Ball valve having self-centering seats App 20090095931 - Stunkard; Gerald A. | 2009-04-16 |
| Top entry swing check valve App 20080308159 - Stunkard; Gerald A. | 2008-12-18 |
| Compact manifold trunnion ball valve Grant 6,669,171 - Stunkard December 30, 2 | 2003-12-30 |
| Self Centering Pipe Working Machine Grant 3,819,163 - Stunkard June 25, 1 | 1974-06-25 |
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