- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 31/44 - Mechanical actuating means
Patent holdings for IPC class F16K 31/44
Total number of patents in this class: 589
10-year publication summary
44
|
46
|
46
|
50
|
54
|
48
|
36
|
28
|
29
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Fisher Controls International LLC | 1520 |
15 |
Fujikin Incorporated | 671 |
10 |
Denso Corporation | 23338 |
8 |
Mitsubishi Heavy Industries Compressor Corporation | 613 |
8 |
Xiamen Solex High-Tech Industries Co., Ltd. | 399 |
7 |
Lintec of America, Inc. | 158 |
6 |
MAHLE International GmbH | 2670 |
6 |
Mitsubishi Electric Corporation | 43934 |
5 |
Hyundai Motor Company | 19021 |
5 |
Emerson Process Management Regulator Technologies, Inc. | 373 |
5 |
Flowserve Pte. Ltd | 216 |
5 |
Samsung Electronics Co., Ltd. | 131630 |
4 |
Kohler Co. | 4165 |
4 |
Graco Minnesota Inc. | 1124 |
4 |
Griswold Controls, LLC | 26 |
4 |
LIXIL Corporation | 621 |
4 |
Neoperl GmbH | 608 |
4 |
Rubicon Research Pty Ltd. | 72 |
4 |
Shanghai HONGYAN Returnable Transit Packagings Co., Ltd. | 154 |
4 |
Woodward Governor Company | 59 |
4 |
Other owners | 473 |