Patent holdings for IPC class F16L 57/02

Total number of patents in this class: 219

10-year publication summary

27
26
18
25
16
18
17
31
14
7
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Era Co., Ltd.
27
7
Chevron U.S.A. Inc.
3972
5
Repligen Corporation
285
5
Henkel AG & Co. KGaA
10588
4
Lankhorst Engineered Products B.V.
17
4
Tectran Mfg. Inc.
69
4
Baker Hughes Energy Technology UK Limited
211
4
NORMA Germany GmbH
229
3
Saipem S.A.
228
3
Swan Products, LLC
74
3
Technip France
705
3
Zibo Environmental Protection Technology Co., Ltd.
83
3
Advanced Innergy Ltd
58
3
Mearthane Products LLC
20
3
Illinois Tool Works Inc.
11485
2
Amgen Inc.
4081
2
ABB Limited
33
2
Balltec Limited
31
2
BSH Bosch und Siemens Hausgerate GmbH
2859
2
Changzhou University
183
2
Other owners 153