- 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: 3411
10-year publication summary
|
267
|
334
|
308
|
326
|
287
|
277
|
288
|
245
|
219
|
140
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1460 |
193 |
| Samson Aktiengesellschaft | 276 |
67 |
| Fujikin Incorporated | 695 |
63 |
| Dresser LLC | 294 |
57 |
| Saudi Arabian Oil Company | 14207 |
39 |
| VAT Holding AG | 246 |
37 |
| Fujikoki Corporation | 414 |
33 |
| Robert Bosch GmbH | 44128 |
31 |
| AUMA Riester GmbH + Co. KG | 137 |
28 |
| HORIBA STEC, Co., Ltd. | 365 |
26 |
| Hayward Industries, Inc. | 678 |
22 |
| Watts Regulator Co. | 331 |
22 |
| Honeywell International Inc. | 12778 |
21 |
| Buerkert Werke GmbH & Co. KG | 99 |
21 |
| Festo SE & Co. KG | 435 |
21 |
| Bray International, Inc. | 148 |
20 |
| Halliburton Energy Services, Inc. | 21320 |
19 |
| Hamilton Sundstrand Corporation | 5016 |
19 |
| GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | 125 |
18 |
| Kaneko Sangyo Co., Ltd. | 35 |
18 |
| Other owners | 2636 |