- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 5/04 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfacesPackings therefor
Patent holdings for IPC class F16K 5/04
Total number of patents in this class: 695
10-year publication summary
|
64
|
67
|
67
|
68
|
62
|
51
|
72
|
54
|
43
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kerr Machine Co. | 176 |
20 |
| B. Braun Medical Inc. | 194 |
17 |
| SPM Oil & Gas Inc. | 360 |
14 |
| Valeo Systemes Thermiques | 2825 |
13 |
| Denso Corporation | 25579 |
11 |
| Mikuni Corporation | 339 |
11 |
| Shinwa Controls Co., Ltd. | 170 |
11 |
| Yamada Manufacturing Co., Ltd. | 151 |
10 |
| Robert Bosch GmbH | 44176 |
8 |
| WOCO Industrietechnik GmbH | 75 |
8 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 331 |
8 |
| Bontaz Centre R & D | 68 |
7 |
| Stoma Ventures, LLC | 45 |
7 |
| Hamilton Sundstrand Corporation | 5014 |
6 |
| Schaeffler Technologies AG & Co. KG | 11003 |
6 |
| Oil States Energy Services, L.L.C. | 72 |
6 |
| Tetra Laval Holdings & Finance S.A. | 2234 |
6 |
| Fisher Controls International LLC | 1455 |
5 |
| Robertshaw Controls Company | 98 |
5 |
| Vitesco Technologies GmbH | 2397 |
5 |
| Other owners | 511 |