- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 1/021 - Composite material
Patent holdings for IPC class H01H 1/021
Total number of patents in this class: 85
10-year publication summary
|
10
|
8
|
1
|
7
|
1
|
3
|
3
|
4
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nantong Memtech Technologies Co., Ltd. | 19 |
13 |
| ABB Schweiz AG | 7665 |
6 |
| A.L.M.T. Corp. | 242 |
5 |
| Johnson Electric International (UK) Limited | 9 |
4 |
| Honeywell International Inc. | 12776 |
3 |
| Mitsubishi Electric Corporation | 48172 |
3 |
| Nanesa S.r.l. | 7 |
3 |
| Siemens AG | 23996 |
2 |
| ABB S.p.A. | 439 |
2 |
| ABB Research Ltd. | 781 |
2 |
| Doduco GmbH | 6 |
2 |
| Oxford University Innovation Limited | 1669 |
2 |
| PLANSEE Powertech AG | 5 |
2 |
| Rosenberger Hochfrequenztechnik GmbH & Co. KG | 694 |
2 |
| Sandvik Intellectual Property AB | 1392 |
2 |
| Tanaka Kikinzoku Kogyo K.K. | 574 |
2 |
| Hewlett-Packard Development Company, L.P. | 25170 |
1 |
| Tyco Electronics AMP GmbH | 213 |
1 |
| Omron Corporation | 7392 |
1 |
| President and Fellows of Harvard College | 6105 |
1 |
| Other owners | 26 |