- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
Patent holdings for IPC class F16K 37/00
Total number of patents in this class: 3377
10-year publication summary
|
267
|
334
|
308
|
326
|
287
|
277
|
288
|
246
|
214
|
100
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1483 |
199 |
| Samson Aktiengesellschaft | 275 |
67 |
| Fujikin Incorporated | 697 |
63 |
| Dresser LLC | 291 |
56 |
| Saudi Arabian Oil Company | 13949 |
38 |
| VAT Holding AG | 240 |
35 |
| Fujikoki Corporation | 404 |
32 |
| Robert Bosch GmbH | 43700 |
31 |
| AUMA Riester GmbH + Co. KG | 133 |
28 |
| HORIBA STEC, Co., Ltd. | 361 |
25 |
| Hayward Industries, Inc. | 678 |
22 |
| Watts Regulator Co. | 331 |
22 |
| Honeywell International Inc. | 12790 |
21 |
| Buerkert Werke GmbH & Co. KG | 96 |
21 |
| Bray International, Inc. | 144 |
20 |
| Festo SE & Co. KG | 416 |
20 |
| Hamilton Sundstrand Corporation | 5017 |
19 |
| GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | 122 |
18 |
| Kaneko Sangyo Co., Ltd. | 35 |
18 |
| Siemens AG | 24177 |
17 |
| Other owners | 2605 |