Ward; Richard Dan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ward; Richard Dan.The latest application filed is for "downhole coring tools and methods of coring".
- Ward; Richard Dan - Pasadena TX US
- Ward; Richard Dan - La Porte TX
| Patent | Date |
|---|---|
| Downhole coring tools and methods of coring Grant 9,097,102 - Ward , et al. August 4, 2 | 2015-08-04 |
| Downhole Coring Tools And Methods Of Coring App 20130081879 - Ward; Richard Dan ; et al. | 2013-04-04 |
| Sensor and insulation layer structure for well logging instruments Grant 7,986,144 - He , et al. July 26, 2 | 2011-07-26 |
| Transducer assemblies for subsurface use Grant 7,723,989 - He , et al. May 25, 2 | 2010-05-25 |
| Transducer Assemblies for Subsurface Use App 20090072832 - He; Qingyan ; et al. | 2009-03-19 |
| Sensor and Insulation Layer Structure for Well Logging Instruments App 20090025924 - He; Qingyan ; et al. | 2009-01-29 |
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