H01H 31/08
For interlocking two or more parts of the mechanism for operating contacts
Official title: for interlocking two or more parts of the mechanism for operating contacts
H01H31/08 (For interlocking two or more parts of the mechanism for operating contacts) appears on 7 US grants and 10 published applications in this corpus.
Search patents in H01H- Granted patents
- 7
- Published applications
- 10
- Assignees
- 8
- Inventors
- 25
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
By publication year.
Recent patents
- Air circuit breaker23 Sep 2025US 12,424,399 B2Ls Electric Co., Ltd.
- Arc extinguishing unit and air circuit breaker comprising same19 Nov 2024US 12,148,584 B2Ls Electric Co., Ltd.
- Communication system controlled motorized in-line disconnect switch with improved lock out system18 Feb 2020US 10,566,156 B1Cleaveland/Price Inc.
- Mechanical interlock assembly for disconnector and earthing switch28 May 2019US 10,304,640 B2ABB Schweiz AG
- Embedded-pole HV electrical apparatus combination switchgear24 Apr 2018US 9,953,780 B2Zhejiang Limited Corporation of Daodu Intelligent Switch
- Circuit breaker having in-out interlock device15 May 2025US 2025/0157757 A1Ls Electric Co., Ltd.
- Air circuit breaker6 Jun 2024US 2024/0186082 A1Ls Electric Co., Ltd.
- Electrical assembly29 Feb 2024US 2024/0074079 A1General Electric Technology GmbH
- Arc extinguishing unit and air circuit breaker comprising same1 Jun 2023US 2023/0170167 A1Ls Electric Co., Ltd.
- Communication system controlled motorized in-line disconnect switch with improved lock out system27 Feb 2020US 2020/0066467 A1Cleaveland/Price Inc.
Most cited
By later US patents
- Communication system controlled motorized in-line disconnect switch with improved lock out system2US 10,566,156 B1Cleaveland/Price Inc. · 2020
- Mechanical interlock assembly for disconnector and earthing switch1US 10,304,640 B2ABB Schweiz AG · 2019
- Telescoping current path structure for dual tank dead tank circuit breaker with parallel resistor assembly1US 9,105,427 B2ABB Technology AG · 2015
- Embedded-pole HV electrical apparatus combination switchgear1US 9,953,780 B2Zhejiang Limited Corporation of Daodu Intelligent Switch · 2018