- 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: 2505
10-year publication summary
|
218
|
263
|
267
|
283
|
241
|
231
|
263
|
252
|
205
|
80
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1477 |
67 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 536 |
51 |
| Fujikin Incorporated | 693 |
43 |
| Robert Bosch GmbH | 42392 |
33 |
| Hamilton Sundstrand Corporation | 4824 |
31 |
| Pierburg GmbH | 465 |
29 |
| Emerson Process Management Regulator Technologies, Inc. | 380 |
24 |
| Kohler Mira Limited | 288 |
21 |
| Swagelok Company | 318 |
19 |
| Danfoss A/S | 1345 |
19 |
| ETO Magnetic GmbH | 274 |
18 |
| Fujikoki Corporation | 371 |
18 |
| Valeo Systemes de Controle Moteur | 610 |
18 |
| Illinois Tool Works Inc. | 11382 |
17 |
| Neoperl GmbH | 600 |
17 |
| Vitesco Technologies GmbH | 2595 |
17 |
| Schaeffler Technologies AG & Co. KG | 9706 |
16 |
| Hanon Systems | 1882 |
16 |
| Halliburton Energy Services, Inc. | 20697 |
15 |
| GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | 110 |
15 |
| Other owners | 2001 |