Patent holdings for IPC class F16K 3/314

Total number of patents in this class: 423

10-year publication summary

22
42
44
39
27
39
35
37
44
29
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
VAT Holding AG
249
27
Mueller International, LLC
751
16
Zhejiang DunAn Artificial Environment Co., Ltd
737
10
Fisher Controls International LLC
1420
8
SMC Corporation
1405
8
Deltavalve, LLC
67
7
Dayco IP Holdings, LLC
276
6
FMC Technologies, Inc.
622
6
Kennedy Valve Company
38
6
Cameron International Corporation
1365
5
LB Bentley Limited
19
5
Midea Group Co., Ltd.
5102
5
Bestway Oilfield, Inc.
48
5
Presys.co.,ltd
20
5
Crane Chempharma & Energy Corp.
62
5
Samsung Electronics Co., Ltd.
159755
4
Schlumberger Canada Limited
7622
4
Halliburton Energy Services, Inc.
21300
4
Denso Corporation
25909
4
Applied Materials, Inc.
20654
4
Other owners 279