- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/00 - Operating meansReleasing devices
Patent holdings for IPC class F16K 31/00
Total number of patents in this class: 1570
10-year publication summary
|
147
|
143
|
143
|
123
|
98
|
97
|
102
|
72
|
69
|
38
|
| 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 |
30 |
| Fujikin Incorporated | 695 |
28 |
| HORIBA STEC, Co., Ltd. | 365 |
26 |
| Robert Bosch GmbH | 44128 |
24 |
| Vernet | 158 |
24 |
| Hamilton Sundstrand Corporation | 5016 |
21 |
| Hyundai Motor Company | 24602 |
17 |
| Illinois Tool Works Inc. | 11858 |
15 |
| Mechano Transformer Corporation | 44 |
14 |
| Satake Corporation | 296 |
14 |
| Rockwell Automation Technologies, Inc. | 2801 |
13 |
| Nippon Thermostat Co., Ltd. | 180 |
13 |
| GM Global Technology Operations LLC | 16106 |
12 |
| Festo SE & Co. KG | 435 |
12 |
| Applied Materials, Inc. | 20363 |
9 |
| Kia Motors Corporation | 7718 |
9 |
| DEKA Products Limited Partnership | 1886 |
9 |
| Alfmeier Präzision SE | 30 |
9 |
| Koninklijke Philips N.V. | 25832 |
8 |
| AS America, Inc. | 1040 |
8 |
| Other owners | 1255 |