- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 27/02 - Construction of housings; Use of materials therefor of lift valves
Patent holdings for IPC class F16K 27/02
Total number of patents in this class: 2297
10-year publication summary
|
135
|
218
|
263
|
265
|
283
|
240
|
231
|
256
|
231
|
69
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1520 |
66 |
| Fujikin Incorporated | 671 |
38 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 394 |
36 |
| Robert Bosch GmbH | 40953 |
31 |
| Hamilton Sundstrand Corporation | 4525 |
28 |
| Pierburg GmbH | 435 |
28 |
| Emerson Process Management Regulator Technologies, Inc. | 373 |
24 |
| Kohler Mira Limited | 280 |
21 |
| Valeo Systemes de Controle Moteur | 614 |
18 |
| Illinois Tool Works Inc. | 11152 |
17 |
| Schaeffler Technologies AG & Co. KG | 8880 |
17 |
| ETO Magnetic GmbH | 247 |
17 |
| Neoperl GmbH | 608 |
17 |
| Swagelok Company | 325 |
17 |
| Danfoss A/S | 1259 |
17 |
| Mueller International, LLC | 694 |
15 |
| GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | 105 |
14 |
| Tyco Fire Products LP | 831 |
14 |
| Halliburton Energy Services, Inc. | 20165 |
13 |
| Vitesco Technologies GmbH | 2372 |
13 |
| Other owners | 1836 |