- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/32 - Excess-flow valves actuated by the difference of pressure between two places in the flow line acting on a servo-mechanism or on a catch-releasing mechanism
Patent holdings for IPC class F16K 17/32
Total number of patents in this class: 44
10-year publication summary
|
5
|
5
|
1
|
7
|
3
|
3
|
4
|
1
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Emerson Process Management Regulator Technologies, Inc. | 382 |
13 |
| Safe-Crossings, L.L.C. | 7 |
4 |
| Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | 45 |
3 |
| National Oilwell Varco, L.P. | 1686 |
2 |
| Emerson Process Management Regulator Technologies Tulsa, LLC | 28 |
2 |
| Fisher Regulators (Shanghai) Co., Ltd. | 6 |
2 |
| Hamilton Sundstrand Corporation | 4916 |
1 |
| BorgWarner Inc. | 2600 |
1 |
| Caleffi S.p.A. | 108 |
1 |
| Consolidated Edison Company of New York, Inc. | 68 |
1 |
| Dresser, Inc. | 106 |
1 |
| Drexel University | 1002 |
1 |
| Fisher Controls International LLC | 1508 |
1 |
| Goodrich Corporation | 2140 |
1 |
| O.M.T. Officina Meccanica Tartarini S.r.l. | 10 |
1 |
| Poolvergnuegen | 3 |
1 |
| Rheem Manufacturing Company | 988 |
1 |
| Seven Universe Industrial Co., Ltd. | 5 |
1 |
| ZOLL LifeBridge GmbH | 5 |
1 |
| Dresser LLC | 271 |
1 |
| Other owners | 4 |