Swingley; Douglas
Patent Applications and Registrations
Patent applications and USPTO patent grants for Swingley; Douglas.The latest application filed is for "cut-in fitting for connecting pipe".
- Swingley; Douglas - Agua Dulce CA
- Swingley; Douglas - Santa Clarita CA
- Swingley; Douglas - Savgus CA
- Swingley; Douglas - Saugus CA
- Swingley; Douglas - Sylmar CA
| Patent | Date |
|---|---|
| Valve operator assembly Grant 11,149,874 - Spears , et al. October 19, 2 | 2021-10-19 |
| Cut-in fitting for connecting pipe Grant 9,611,960 - Swingley April 4, 2 | 2017-04-04 |
| Cut-in Fitting For Connecting Pipe App 20140239633 - Swingley; Douglas | 2014-08-28 |
| Aluminum cartridge casing for rifles Grant 8,381,655 - Swingley , et al. February 26, 2 | 2013-02-26 |
| Aluminum Cartridge Casing For Rifles App 20120285345 - Swingley; Douglas ; et al. | 2012-11-15 |
| Compact fire sprinkler attachment insert Grant 7,426,784 - Spears , et al. September 23, 2 | 2008-09-23 |
| Pipe fitting with length adjustment Grant 7,303,146 - Swingley December 4, 2 | 2007-12-04 |
| Compact fire sprinkler attachment insert App 20070056751 - Spears; Wayne ; et al. | 2007-03-15 |
| CPVC drain waste and vent fittings Grant 7,178,557 - Swingley February 20, 2 | 2007-02-20 |
| Pipe fitting with length adjustment App 20050284969 - Swingley, Douglas | 2005-12-29 |
| Threaded pressure fitting with recessed thread roots App 20050258650 - Swingley, Douglas | 2005-11-24 |
| Pipe fitting with length adjustment Grant 6,959,880 - Swingley November 1, 2 | 2005-11-01 |
| Non-vibrating ball check valve Grant 6,899,127 - Swingley May 31, 2 | 2005-05-31 |
| CPVC drain waste and vent fittings App 20040194840 - Swingley, Douglas | 2004-10-07 |
| Pipe fitting with length adjustment App 20040164188 - Swingley, Douglas | 2004-08-26 |
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