Dulin; Robert
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dulin; Robert.The latest application filed is for "temperature controlled purge valve with washer/o-ring seal stack".
- Dulin; Robert - Kingsbury TX
| Patent | Date |
|---|---|
| Temperature controlled purge valve with washer/O-ring seal stack Grant 10,107,408 - Dulin October 23, 2 | 2018-10-23 |
| Temperature controlled purge valve with washer/O-ring seal stack Grant 9,822,886 - Dulin November 21, 2 | 2017-11-21 |
| Temperature Controlled Purge Valve With Washer/o-ring Seal Stack App 20170167625 - DULIN; ROBERT | 2017-06-15 |
| Temperature controlled purge valve for use in water systems Grant 9,482,357 - Dulin November 1, 2 | 2016-11-01 |
| Temperature Controlled Purge Valve With Washer/o-ring Seal Stack App 20160109029 - Dulin; Robert | 2016-04-21 |
| Temperature Controlled Purge Valve For Use In Water Systems App 20140352812 - Dulin; Robert | 2014-12-04 |
| Metered fill valve Grant 8,827,237 - Dulin September 9, 2 | 2014-09-09 |
| Metered Fill Valve App 20110272037 - Dulin; Robert | 2011-11-10 |
| Flow control valve Grant 6,644,345 - Dulin November 11, 2 | 2003-11-11 |
| Flow control valve App 20030041902 - Dulin, Robert | 2003-03-06 |
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