- 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: 2599
10-year publication summary
|
213
|
253
|
250
|
268
|
231
|
230
|
255
|
251
|
207
|
170
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1504 |
68 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 593 |
55 |
| Fujikin Incorporated | 694 |
45 |
| Robert Bosch GmbH | 43034 |
33 |
| Hamilton Sundstrand Corporation | 4954 |
31 |
| Pierburg GmbH | 469 |
29 |
| Emerson Process Management Regulator Technologies, Inc. | 383 |
24 |
| ETO Magnetic GmbH | 280 |
21 |
| Kohler Mira Limited | 295 |
21 |
| Danfoss A/S | 1356 |
21 |
| Fujikoki Corporation | 391 |
20 |
| Swagelok Company | 319 |
20 |
| Hanon Systems | 2003 |
18 |
| Illinois Tool Works Inc. | 11531 |
17 |
| Schaeffler Technologies AG & Co. KG | 10322 |
17 |
| GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | 121 |
17 |
| Neoperl GmbH | 597 |
17 |
| Dresser LLC | 280 |
17 |
| Vitesco Technologies GmbH | 2417 |
17 |
| Mueller International, LLC | 725 |
16 |
| Other owners | 2075 |