- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 35/02 - Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a push or pull
Patent holdings for IPC class F16K 35/02
Total number of patents in this class: 243
10-year publication summary
|
30
|
29
|
19
|
39
|
26
|
15
|
7
|
25
|
13
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3893 |
22 |
| Hayward Industries, Inc. | 673 |
9 |
| Fujikin Incorporated | 693 |
5 |
| Georg Fischer Rohrleitungssysteme AG | 114 |
5 |
| Electrolux Home Products, Inc. | 379 |
4 |
| IMI Hydronic Engineering International S.A. | 92 |
4 |
| SMC Corporation | 1360 |
4 |
| Bray International, Inc. | 135 |
3 |
| CKD Corporation | 450 |
3 |
| Clover Co., Ltd. | 16 |
3 |
| Colder Products Company | 248 |
3 |
| Emerson Process Management Regulator Technologies, Inc. | 380 |
3 |
| GEA Tuchenhagen GmbH | 147 |
3 |
| GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | 109 |
3 |
| Ihara Science Corporation | 29 |
3 |
| Kitz SCT Corporation | 43 |
3 |
| Linde Aktiengesellschaft | 1529 |
3 |
| National Oilwell Varco, L.P. | 1631 |
3 |
| Protechna S.A. | 70 |
3 |
| SICPA Holding SA | 893 |
3 |
| Other owners | 151 |