State of California Department of Transportation
Patent Applications and Registrations
Patent applications and USPTO patent grants for State of California Department of Transportation.The latest application filed is for "corrosion protection method".
- State of California Department of Transportation - Sacramento CA US
- State of California, Department of Transportation -
| Patent | Date |
|---|---|
| Pneumatic ram road surface coefficient of friction measuring device and method Grant 9,927,347 - LoPresti , et al. March 27, 2 | 2018-03-27 |
| Wave-shaped roadway rumble strip Grant D805,416 - Rymer , et al. December 19, 2 | 2017-12-19 |
| Wave-shaped roadway rumble strip Grant D774,408 - Rymer , et al. December 20, 2 | 2016-12-20 |
| Mobile work zone protection device Grant 7,410,321 - Schiefferly , et al. August 12, 2 | 2008-08-12 |
| Corrosion protection method Grant 7,175,893 - Coats , et al. February 13, 2 | 2007-02-13 |
| Mobile work zone protection device Grant 7,125,198 - Schiefferly , et al. October 24, 2 | 2006-10-24 |
| Underwater energy dampening device Grant 7,126,875 - Baskerville , et al. October 24, 2 | 2006-10-24 |
| Corrosion protection method App 20050255279 - Coats, Deane M. ; et al. | 2005-11-17 |
| Seismic joint seal App 20050241084 - Delis, Efthymios Tim | 2005-11-03 |
| Mobile work zone protection device App 20050141960 - Schiefferly, Calvin W. ; et al. | 2005-06-30 |
| Underwater energy dampening device App 20050083783 - Baskerville, Andrew J. ; et al. | 2005-04-21 |
| Plantable geosynthetic reinforced retaining wall Grant 6,808,339 - Peterson , et al. October 26, 2 | 2004-10-26 |
| Process for inhibiting corrosion of metal embedded in concrete and a reinforced concrete construction Grant 4,506,485 - Apostolos March 26, 1 | 1985-03-26 |
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