Sun; Shan C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sun; Shan C..The latest application filed is for "monitoring and control of field electrical power equipment".
- Sun; Shan C. - Coral Springs FL
- Sun; Shan C. - Bell PA
- Sun; Shan C. - Bell Township Indiana County
- Sun; Shan C. - Pittsburgh PA
| Patent | Date |
|---|---|
| Monitoring and control of field electrical power equipment App 20060155422 - Uy; David ; et al. | 2006-07-13 |
| Electric power system with remote monitoring and control of protective relays Grant 4,972,290 - Sun , et al. November 20, 1 | 1990-11-20 |
| Electromagnet relay with flux biasing Grant 4,968,960 - Bouhenguel , et al. November 6, 1 | 1990-11-06 |
| Phase comparison relaying system with single channel communications link Grant 4,935,837 - Sun June 19, 1 | 1990-06-19 |
| Electronic reverse power relay Grant 4,698,718 - Chow , et al. October 6, 1 | 1987-10-06 |
| Direct transfer trip apparatus for use with an active pilot wire communications channel Grant 4,675,774 - Gonnam , et al. June 23, 1 | 1987-06-23 |
| Signal quality monitor for protective relay system Grant 4,591,940 - Sun , et al. May 27, 1 | 1986-05-27 |
| Protective relay apparatus and method for providing single-pole tripping Grant 4,538,196 - Sun , et al. August 27, 1 | 1985-08-27 |
| Signal quality monitor for protective relay system Grant 4,524,446 - Sun , et al. June 18, 1 | 1985-06-18 |
| Frequency modulation or pulse modulation demodulator Grant 4,510,453 - Sun April 9, 1 | 1985-04-09 |
| Pulse modulator using capacitor charging and discharging circuits Grant 4,380,746 - Sun , et al. April 19, 1 | 1983-04-19 |
| Network protector relay Grant 4,293,886 - Church , et al. October 6, 1 | 1981-10-06 |
| Protective relay device Grant 4,246,623 - Sun January 20, 1 | 1981-01-20 |
| Protective relay apparatus Grant 4,208,687 - Sun , et al. June 17, 1 | 1980-06-17 |
| Apparatus for detecting subsynchronous current in power systems Grant 4,125,884 - Sun November 14, 1 | 1978-11-14 |
| Inverse time-overcurrent relay using successive linear approximations Grant 4,017,766 - Vercellotti , et al. April 12, 1 | 1977-04-12 |
| Measuring circuit Grant 4,002,977 - Sun , et al. January 11, 1 | 1977-01-11 |
| Interpolative Sensor Output Visual Map Display System Grant 3,810,138 - Thompson , et al. May 7, 1 | 1974-05-07 |
| Remedial Branching Teaching System Grant 3,715,811 - Thompson , et al. February 13, 1 | 1973-02-13 |
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