- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 17/168 - Safety valves; Equalising valves closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
Patent holdings for IPC class F16K 17/168
Total number of patents in this class: 83
10-year publication summary
|
11
|
8
|
10
|
12
|
8
|
10
|
10
|
4
|
3
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cameron International Corporation | 1305 |
3 |
| Dukes Aerospace, Inc. | 11 |
3 |
| FMC Technologies, Inc. | 603 |
3 |
| Parker-Hannifin Corporation | 999 |
3 |
| Saudi Arabian Oil Company | 11322 |
3 |
| Tech Energy Products, L.L.C. | 17 |
3 |
| The E3 Company LLC | 7 |
3 |
| Ogon Contracting Pty Ltd. | 4 |
3 |
| The Boeing Company | 19843 |
2 |
| Hypertherm, Inc. | 512 |
2 |
| Intex Marketing Ltd. | 209 |
2 |
| KENDRION (Villingen) GmbH | 75 |
2 |
| Milwaukee Electric Tool Corporation | 3572 |
2 |
| Reliance Worldwide Corporation (Aust.) Pty. Ltd. | 83 |
2 |
| Spectron Gas Control Systems GmbH | 9 |
2 |
| Vortech Engineering, Inc. | 49 |
2 |
| Reliance Worldwide Corporation (UK) Limited | 24 |
2 |
| Hyundai Motor Company | 19021 |
1 |
| Kia Motors Corporation | 7946 |
1 |
| Eveready Battery Company, Inc. | 267 |
1 |
| Other owners | 38 |