Denman; Owen S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Denman; Owen S..The latest application filed is for "apparatus with collapsible modules for absorbing energy from the impact of a vehicle".
- Denman; Owen S. - Rio Vista CA
- Denman, Owen S. - Sacramento CA
- Denman; Owen S. - Granite Bay CA
- Denman; Owen S. - Roseville CA
| Patent | Date |
|---|---|
| Apparatus with collapsible modules for absorbing energy from the impact of a vehicle Grant 6,811,144 - Denman , et al. November 2, 2 | 2004-11-02 |
| Apparatus with collapsible modules for absorbing energy from the impact of a vehicle App 20030057410 - Denman, Owen S. ; et al. | 2003-03-27 |
| Traffic barrier with liquid filled modules Grant 6,474,904 - Duckett , et al. November 5, 2 | 2002-11-05 |
| Guardrail with slidable impact-receiving element Grant 6,173,943 - Welch , et al. January 16, 2 | 2001-01-16 |
| Highway barrier and guardrail Grant 5,967,497 - Denman , et al. October 19, 1 | 1999-10-19 |
| Shear loading energy absorbing device Grant 5,403,113 - Gertz , et al. April 4, 1 | 1995-04-04 |
| Inertial barrier array Grant 4,934,661 - Denman , et al. June 19, 1 | 1990-06-19 |
| Vehicle impact attenuating device Grant 4,711,481 - Krage , et al. December 8, 1 | 1987-12-08 |
| Expanded cell crash cushion Grant 4,666,130 - Denman , et al. May 19, 1 | 1987-05-19 |
| Shear action and compression energy absorber Grant 4,352,484 - Gertz , et al. October 5, 1 | 1982-10-05 |
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