Roth; Cary A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Roth; Cary A..The latest application filed is for "cutting elements with wear resistant surfaces".
- Roth; Cary A. - Spring TX
- Roth, Cary A. - Ponca City OK
- Roth; Cary A. - Moreno Valley CA
| Patent | Date |
|---|---|
| Cutting elements with wear resistant surfaces Grant 10,760,345 - Roth , et al. September 1, 2 | 2020-09-01 |
| Cutting Elements With Wear Resistant Surfaces App 20180283107 - Roth; Cary A. ; et al. | 2018-10-04 |
| Apparatus and methods to manufacture PDC bits Grant 9,381,600 - Roth July 5, 2 | 2016-07-05 |
| Low Collision Damage Bit App 20160145945 - Portwood; Gary R. ; et al. | 2016-05-26 |
| Ball hole welding using the friction stir welding (FSW) process Grant 8,955,734 - Steel , et al. February 17, 2 | 2015-02-17 |
| Methods Of Reducing Stress In Downhole Tools App 20140374156 - Griffo; Anthony ; et al. | 2014-12-25 |
| Methods of hardbanding joints of pipe using friction stir welding Grant 8,763,881 - Keshavan , et al. July 1, 2 | 2014-07-01 |
| Ball Hole Welding Using The Friction Stir Welding (fsw) Process App 20140034394 - Steel; Russell J. ; et al. | 2014-02-06 |
| Ball Hole Welding Using The Friction Stir Welding (fsw) Process App 20100078224 - Steel; Russell J. ; et al. | 2010-04-01 |
| Bit Leg Outer Surface Processing Using Friction Stir Welding (fsw) App 20100071961 - Steel; Russell J. ; et al. | 2010-03-25 |
| Methods Of Hardbanding Joints Of Pipe Using Friction Stir Welding App 20100038407 - Keshavan; Madapusi K. ; et al. | 2010-02-18 |
| Methods Of Treating Hardbanded Joints Of Pipe Using Friction Stir Processing App 20100038408 - Keshavan; Madapusi K. ; et al. | 2010-02-18 |
| Apparatus And Methods To Manufacture Pdc Bits App 20100018353 - Roth; Cary A. | 2010-01-28 |
| Hardfaced drill bit structures and method for making such structures App 20020035895 - Davies, Peter M. ; et al. | 2002-03-28 |
| Hard facing for milled tooth rock bits Grant 4,944,774 - Keshavan , et al. July 31, 1 | 1990-07-31 |
| Hard facing for milled tooth rock bits Grant 4,836,307 - Keshavan , et al. June 6, 1 | 1989-06-06 |
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