Webb, Ralph L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Webb, Ralph L..The latest application filed is for "multiple-channel conduit with separate wall elements".
- Webb, Ralph L. - Port Matilda PA
- Webb; Ralph L. - State College PA
- Webb; Ralph L. - La Crosse WI
| Patent | Date |
|---|---|
| Multiple-channel conduit with separate wall elements App 20050279488 - Stillman, Harold M. ; et al. | 2005-12-22 |
| Enhanced heat exchange tube Grant 6,164,370 - Robinson , et al. December 26, 2 | 2000-12-26 |
| Thermoelectric refrigerator with evaporating/condensing heat exchanger Grant 6,003,319 - Gilley , et al. December 21, 1 | 1999-12-21 |
| Thermoelectric device with evaporating/condensing heat exchanger Grant 5,737,923 - Gilley , et al. April 14, 1 | 1998-04-14 |
| Heat exchange tube with embossed enhancement Grant 5,415,225 - Randlett , et al. May 16, 1 | 1995-05-16 |
| Method of manufacturing a heating exchange tube Grant 5,388,329 - Randlett , et al. February 14, 1 | 1995-02-14 |
| Apparatus for absorbing a vapor in a liquid and absorption refrigeration system incorporating same Grant 4,223,539 - Webb , et al. September 23, 1 | 1980-09-23 |
| Heat Transfer Surface Having A High Boiling Heat Transfer Coefficient Grant 3,696,861 - Webb October 10, 1 | 1972-10-10 |
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