Patent holdings for IPC class F16L 11/04

Total number of patents in this class: 910

10-year publication summary

62
62
73
63
56
51
70
50
59
45
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Arkema France
4176
48
Saint-Gobain Performance Plastics Corporation
1035
42
The Yokohama Rubber Co., Ltd.
4092
35
Daikin Industries, Ltd.
10174
34
Sumitomo Riko Company Limited
1093
25
Bridgestone Corporation
7217
20
Denka Company Limited
2655
13
Toyox Co., Ltd.
148
13
Zeon Corporation
4116
13
Junkosha Inc.
143
12
Mitsui Chemicals, Inc.
3230
11
Fitt S.p.A.
204
11
Kuraray Co., Ltd.
3544
11
Mitsubishi Gas Chemical Company, Inc.
3509
11
Eaton Intelligent Power Limited
6056
11
Tokai Rubber Industries, Ltd.
162
10
Evonik Operations GmbH
4181
10
Gates Corporation
1151
8
Technip France
699
8
Ube Industries, Ltd.
819
8
Other owners 556