Inventor · disambiguated record
Daqing Hou
Also filed as: HOU DAQING
12 granted patents·3 pending applications·289 citations·filing 1995–2024
92Inventor score
Top patents by PatentIndex Score
15 records- 0194US9160158B2Coordinated high-impedance fault detection systems and methodsSCHWEITZER ENGINEERING LAB INC·Filed 2013·Granted Oct 13, 2015·13 cites·20 claims
- 0294US7720619B2Systems and methods for detecting high-impedance faults in a multi-grounded power distribution systemSCHWEITZER ENGINEERING LAB INC·Filed 2006·Granted May 18, 2010·35 cites·37 claims
- 0391US11143715B2Broken conductor detection in a multiple-phase electric power delivery systemSCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Oct 12, 2021·3 cites·20 claims
- 0491US6573726B1Sensitive ground fault detection system for use in compensated electric power distribution networksSCHWEITZER ENGINEERING LAB INC·Filed 2000·Granted Jun 3, 2003·64 cites·31 claims
- 0588US7945400B2Systems and methods for detecting high-impedance faults in a multi-grounded power distribution systemSCHWEITZER ENGINEERING LAB INC·Filed 2007·Granted May 17, 2011·17 cites·29 claims
- 0684US5703745ASystem for detection of transients from a coupling capacitor voltage transformer used in a protective relaySCHWEITZER ENGINEERING LAB INC·Filed 1995·Granted Dec 30, 1997·63 cites·12 claims
- 0780US5731943AProtective relay having out-of-step logic capabilitySCHWEITZER ENGINEERING LAB INC·Filed 1996·Granted Mar 24, 1998·50 cites·11 claims
- 0875US7457088B2Systems and methods for protection of electrical networksSCHWEITZER ENGINEERING LAB INC·Filed 2005·Granted Nov 25, 2008·14 cites·11 claims
- 0971US6833711B1Protective relay for powers systems having dependable out-of-step blocking capabilitySCHWEITZER ENGINEERING LAB INC·Filed 2003·Granted Dec 21, 2004·20 cites·7 claims
- 1058US2025293505A1Testing system for distributed power delivery protection or control systemSCHWEITZER ENGINEERING LAB INC·Filed 2024·Application pending·0 cites
- 1155US11114892B2Electric power system transducer failure monitor and measurement recoverySCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Sep 7, 2021·0 cites·18 claims
- 1245US2022178976A1Frequency estimation and tracking using currentSCHWEITZER ENGINEERING LAB INC·Filed 2020·Application pending·0 cites
- 1340US5790418AAdaptive polarizing memory voltage time constantSCHWEITZER ENGINEERING LAB INC·Filed 1995·Granted Aug 4, 1998·10 cites·13 claims
- 1437US2006152866A1System for maintaining fault-type selection during an out-of-step conditionBENMOUYAL GABRIEL·Filed 2005·Application pending·0 cites
- 1533US12105782B2System and method to authenticate users on a computing system using a free text behavioral biometric methodHOU DAQING·Filed 2022·Granted Oct 1, 2024·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Daqing Hou files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →