- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 5/18 - Special arrangements for separating the sealing faces or for pressing them together for plugs with cylindrical surfaces
Patent holdings for IPC class F16K 5/18
Total number of patents in this class: 120
10-year publication summary
|
12
|
7
|
13
|
21
|
7
|
11
|
11
|
12
|
8
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kerr Machine Co. | 182 |
17 |
| Cummins Ltd. | 205 |
5 |
| Oil States Energy Services, L.L.C. | 63 |
5 |
| Robert Bosch GmbH | 44445 |
4 |
| Fisher Controls International LLC | 1420 |
3 |
| Yamada Manufacturing Co., Ltd. | 155 |
3 |
| Bluecore Completions, LLC | 10 |
3 |
| Duraseat LLC | 5 |
3 |
| Neptune Technology Group LLC | 118 |
3 |
| Robert Bosch LLC | 81 |
2 |
| Hyundai Motor Company | 25253 |
2 |
| Schaeffler Technologies AG & Co. KG | 11272 |
2 |
| Kia Motors Corporation | 7713 |
2 |
| Cameron International Corporation | 1366 |
2 |
| Component Hardware Group, Inc. | 80 |
2 |
| Kelamayi King-bull Infortec Petroleum Equipment Company Limited | 14 |
2 |
| Magna Powertrain AG & Co KG | 138 |
2 |
| Samson Aktiengesellschaft | 276 |
2 |
| Dresser LLC | 301 |
2 |
| SPM Oil & Gas Inc. | 362 |
2 |
| Other owners | 52 |