Scheffler; Douglas James
Patent Applications and Registrations
Patent applications and USPTO patent grants for Scheffler; Douglas James.The latest application filed is for "adjustable deadband control system".
- Scheffler; Douglas James - McKinney TX
| Patent | Date |
|---|---|
| Adjustable deadband control system Grant 10,678,274 - Masias , et al. | 2020-06-09 |
| Mechanism and method to adjust size of balanced valve Grant 9,989,977 - Roper , et al. June 5, 2 | 2018-06-05 |
| Pilot operated fluid regulators having a reset apparatus and related methods Grant 9,952,605 - Griffin, Jr. , et al. April 24, 2 | 2018-04-24 |
| Adjustable Deadband Control System App 20170335982 - Masias; Justin Lane ; et al. | 2017-11-23 |
| Adjustable deadband control system Grant 9,760,097 - Masias , et al. September 12, 2 | 2017-09-12 |
| Adjustable Deadband Control System App 20160356389 - Masias; Justin Lane ; et al. | 2016-12-08 |
| Mechanism and Method to Adjust Size of Balanced Valve App 20160224035 - Roper; Daniel G. ; et al. | 2016-08-04 |
| Pilot Operated Fluid Regulators Having A Reset Apparatus And Related Methods App 20160018830 - Griffin, JR.; James Lyman ; et al. | 2016-01-21 |
| Pilot operated fluid regulators having a reset apparatus and related methods Grant 9,145,904 - Griffin, Jr. , et al. September 29, 2 | 2015-09-29 |
| Pilot Operated Fluid Regulators Having A Reset Apparatus And Related Methods App 20130092259 - Griffin, JR.; James Lyman ; et al. | 2013-04-18 |
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