- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 15/16 - Check valves with flexible valve members with tongue-shaped laminae
Patent holdings for IPC class F16K 15/16
Total number of patents in this class: 178
10-year publication summary
|
21
|
11
|
17
|
20
|
21
|
6
|
14
|
15
|
6
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Technocrats Corporation | 44 |
7 |
| Illinois Tool Works Inc. | 11152 |
5 |
| Pierburg GmbH | 435 |
5 |
| Whirlpool S.A. | 377 |
5 |
| Zahroof Valves Inc. | 14 |
5 |
| Denso Corporation | 23338 |
4 |
| Mitsubishi Electric Corporation | 43934 |
4 |
| Schaeffler Technologies AG & Co. KG | 8880 |
4 |
| Mikuni Corporation | 332 |
4 |
| Koninklijke Philips N.V. | 22975 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
3 |
| Stoma Ventures, LLC | 38 |
3 |
| Becton, Dickinson and Company | 6712 |
2 |
| Koninklijke Philips Electronics N.V. | 13133 |
2 |
| Omron Healthcare Co., Ltd. | 1806 |
2 |
| Carrier Corporation | 4759 |
2 |
| BorgWarner Inc. | 2604 |
2 |
| Cummins Emission Solutions, Inc. | 480 |
2 |
| Other owners | 108 |