Methods and apparatus for determining power distribution system topology using disturbance detection
US-9608440-B2 · Mar 28, 2017 · US
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Li Huaqiang patents
Li Huaqiang holds 4 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 4 |
| Recent patents | 0 |
| First publication | Jun 2, 2015 |
| Latest publication | Mar 28, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
System for optimizing switching dead-time and method of making same
US-9166469-B2 · Oct 20, 2015 · US
System and method for ground fault detection and protection in adjustable speed drives
US-9160161-B2 · Oct 13, 2015 · US
System and method for high resistance ground fault detection and protection in power distribution systems
US-9046560-B2 · Jun 2, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Methods and apparatus for determining power distribution system topology using disturbance detection
US-9608440-B2 · Mar 28, 2017 · US
System for optimizing switching dead-time and method of making same
US-9166469-B2 · Oct 20, 2015 · US
System and method for ground fault detection and protection in adjustable speed drives
US-9160161-B2 · Oct 13, 2015 · US
System and method for high resistance ground fault detection and protection in power distribution systems
US-9046560-B2 · Jun 2, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| H02H3/165 | 2 |
| H02H7/122 | 2 |
| H02H7/1227 | 2 |
| H02M1/088 | 1 |
| H02M1/08 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Electricity | 4 |
| Physics | 2 |
| Cross-Sectional Technologies | 2 |