DW

David E. Whitehead

SL Schweitzer Engineering Laboratories: 66 patents #2 of 418Top 1%
📍 Pullman, WA: #2 of 521 inventorsTop 1%
🗺 Washington: #651 of 76,902 inventorsTop 1%
Overall (All Time): #32,860 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 26–50 of 66 patents

Patent #TitleCo-InventorsDate
10375108 Time signal manipulation and spoofing detection based on a latency of a communication system Edmund O. Schweitzer, III, Cody W. Tews 2019-08-06
10310004 Time-domain differential line protection of electric power delivery systems Edmund O. Schweitzer, III, Mangapathirao Venkata Mynam, Bogdan Z. Kasztenny, Armando Guzman-Casillas, Veselin Skendzic 2019-06-04
10310005 Time-domain distance line protection of electric power delivery systems Edmund O. Schweitzer, III, Mangapathirao Venkata Mynam, Bogdan Z. Kasztenny, Armando Guzman-Casillas, Veselin Skendzic 2019-06-04
10236675 Fault detection and protection during steady state using traveling waves Edmund O. Schweitzer, III, Bogdan Z. Kasztenny 2019-03-19
10180451 Electric power system monitoring using high-frequency signals Edmund O. Schweitzer, III, Veselin Skendzic, Cody W. Tews 2019-01-15
10161986 Electric power system monitoring using distributed conductor-mounted devices Edmund O. Schweitzer, III, Shankar V. Achanta 2018-12-25
10122487 Time distribution switch Shankar V. Achanta, Henry Loehner 2018-11-06
10090664 Time-domain directional line protection of electric power delivery systems Edmund O. Schweitzer, III, Mangapathirao Venkata Mynam, Bogdan Z. Kasztenny, Armando Guzman-Casillas, Veselin Skendzic 2018-10-02
9813173 Time signal verification and distribution Shankar V. Achanta, Srinivas Achanta 2017-11-07
9760062 Time distribution with multi-band antenna Shankar V. Achanta, Henry Loehner 2017-09-12
9709680 Quality of precision time sources Shankar V. Achanta, Henry Loehner 2017-07-18
9627881 Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements Edmund O. Schweitzer, III, Mangapathirao Venkata Mynam, Armando Guzman-Casillas, Bogdan Z. Kasztenny, Veselin Skendzic +1 more 2017-04-18
9599719 Detection of manipulated satellite time signals Shankar V. Achanta, Francis Cooper 2017-03-21
9594112 Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements Edmund O. Schweitzer, III, Mangapathirao Venkata Mynam, Armando Guzman-Casillas, Bogdan Z. Kasztenny, Veselin Skendzic 2017-03-14
9581976 Recording of operating parameters of an intelligent electronic device Edmund O. Schweitzer, III, Ronald A. Schwartz 2017-02-28
9520860 Time distribution switch Shankar V. Achanta, Henry Loehner 2016-12-13
9470748 Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements Edmund O. Schweitzer, III, Mangapathirao Venkata Mynam, Armando Guzman-Casillas, Bogdan Z. Kasztenny, Veselin Skendzic +1 more 2016-10-18
9383735 Distributed coordinated electric power delivery control system using component models Edmund O. Schweitzer, III, Gregary C. Zweigle 2016-07-05
9256232 Voltage regulation using multiple voltage regulator controllers Michael B. Bryson 2016-02-09
8990036 Power line parameter adjustment and fault location using traveling waves Edmund O. Schweitzer, III, Mangapathirao Venkata Mynam, Armando Guzman-Casillas, Veselin Skendzic, Bogdan Z. Kasztenny 2015-03-24
8793767 Network access management via a secondary communication channel Edmund O. Schweitzer, III, Rhett Smith, Mark S. Weber 2014-07-29
8706309 Systems and method for obtaining a load model and related parameters based on load dynamics Edmund O. Schweitzer, III, Marcos A. Donolo 2014-04-22
8682496 Electric power system automation using time coordinated instructions Edmund O. Schweitzer, III, Gregary C. Zweigle, Normann Fischer, Robert E. Morris 2014-03-25
8674683 Power angle monitor Edmund O. Schweitzer, III 2014-03-18
8581723 Fault detection using phase comparison Edmund O. Schweitzer, III 2013-11-12