- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices 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: 2982
10-year publication summary
|
202
|
240
|
267
|
333
|
308
|
326
|
283
|
263
|
270
|
79
|
| 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 |
195 |
| Samson Aktiengesellschaft | 250 |
55 |
| Fujikin Incorporated | 671 |
54 |
| Dresser LLC | 230 |
46 |
| VAT Holding AG | 197 |
30 |
| Robert Bosch GmbH | 40953 |
29 |
| Flowserve Pte. Ltd | 216 |
29 |
| Saudi Arabian Oil Company | 11322 |
28 |
| Fujikoki Corporation | 330 |
24 |
| Honeywell International Inc. | 13799 |
23 |
| Hayward Industries, Inc. | 669 |
21 |
| Bray International, Inc. | 119 |
19 |
| HORIBA STEC, Co., Ltd. | 302 |
18 |
| Buerkert Werke GmbH & Co. KG | 78 |
17 |
| Mueller International, LLC | 694 |
17 |
| Siemens AG | 24990 |
16 |
| Hamilton Sundstrand Corporation | 4525 |
16 |
| Azbil Corporation | 486 |
16 |
| GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | 105 |
16 |
| Kaneko Sangyo Co., Ltd. | 32 |
16 |
| Other owners | 2297 |