- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
Patent holdings for IPC class F16K 27/02
Total number of patents in this class: 2741
10-year publication summary
|
263
|
267
|
283
|
241
|
231
|
264
|
254
|
222
|
204
|
115
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1455 |
67 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 709 |
67 |
| Fujikin Incorporated | 696 |
47 |
| Robert Bosch GmbH | 44176 |
35 |
| Hamilton Sundstrand Corporation | 5014 |
32 |
| Pierburg GmbH | 480 |
31 |
| Emerson Process Management Regulator Technologies, Inc. | 391 |
24 |
| Fujikoki Corporation | 415 |
23 |
| GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | 125 |
23 |
| ETO Magnetic GmbH | 279 |
21 |
| Kohler Mira Limited | 311 |
21 |
| Neoperl GmbH | 624 |
20 |
| Swagelok Company | 316 |
20 |
| Danfoss A/S | 1436 |
20 |
| Hanon Systems | 2108 |
19 |
| Dresser LLC | 295 |
19 |
| Illinois Tool Works Inc. | 11866 |
18 |
| Schaeffler Technologies AG & Co. KG | 11003 |
18 |
| Vitesco Technologies GmbH | 2397 |
17 |
| Halliburton Energy Services, Inc. | 21320 |
16 |
| Other owners | 2183 |