H02H 3/422
Using homopolar quantities
Official title: {using homopolar quantities}
H02H3/422 (Using homopolar quantities) appears on 4 US grants and 6 published applications in this corpus.
Search patents in H02H- Granted patents
- 4
- Published applications
- 6
- Assignees
- 6
- Inventors
- 9
- Latest grant
- 7 May 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year.
Recent patents
- Method and device for detecting a ground-fault direction in an electric three-phase network7 May 2019US 10,281,514 B2NSE, Inc.
- System for detecting a falling electric power conductor and related methods11 Dec 2018US 10,153,635 B2San Diego Gas & Electric Company
- Control system21 Aug 2018US 10,056,771 B2Autonetworks Technologies, Ltd.
- System for detecting a falling electric power conductor and related methods9 Aug 2016US 9,413,156 B2San Diego Gas & Electric Company
- Power supply apparatus with limited power source capability and method of controlling the same28 Apr 2022US 2022/0131475 A1Delta Electronics, Inc.
- A smart overvoltage protection circuit and a method thereof23 Aug 2018US 2018/0241196 A1
- Method and device for detecting a ground-fault direction in an electric three-phase network11 Jan 2018US 2018/0011135 A1NSE, Inc.
- System for detecting a falling electric power conductor and related methods10 Nov 2016US 2016/0329700 A1San Diego Gas & Electric Company
- Control system14 Jul 2016US 2016/0204633 A1Autonetworks Technologies, Ltd.
Most cited
By later US patents
- System for detecting a falling electric power conductor and related methods18US 9,413,156 B2San Diego Gas & Electric Company · 2016
- System for detecting a falling electric power conductor and related methods4US 10,153,635 B2San Diego Gas & Electric Company · 2018
- Method and device for detecting a ground-fault direction in an electric three-phase network2US 10,281,514 B2NSE, Inc. · 2019