- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 1/34 - Cutting-off parts
Patent holdings for IPC class F16K 1/34
Total number of patents in this class: 216
10-year publication summary
|
28
|
27
|
21
|
9
|
10
|
7
|
10
|
9
|
9
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Emerson Process Management Regulator Technologies, Inc. | 391 |
7 |
| Fisher Controls International LLC | 1420 |
6 |
| Barclays Bank plc, AS Collateral Agent | 174 |
6 |
| Robert Bosch GmbH | 44445 |
5 |
| Baker Hughes, a GE Company, LLC | 2022 |
5 |
| Clover Co., Ltd. | 15 |
4 |
| Dresser LLC | 301 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9279 |
3 |
| Fujikin Incorporated | 708 |
3 |
| HORIBA STEC, Co., Ltd. | 367 |
3 |
| KYB Corporation | 1443 |
3 |
| Kyungdong Navien Co., Ltd. | 647 |
3 |
| VAT Holding AG | 249 |
3 |
| Mitsubishi Power, Ltd. | 1841 |
3 |
| Samsung Electronics Co., Ltd. | 159978 |
2 |
| Halliburton Energy Services, Inc. | 21259 |
2 |
| Honeywell International Inc. | 12729 |
2 |
| Mitsubishi Electric Corporation | 48546 |
2 |
| Aisan Kogyo Kabushiki Kaisha | 783 |
2 |
| Dong-Il Machinery Co., Ltd. | 10 |
2 |
| Other owners | 146 |