Patent holdings for IPC class F16L 23/02

Total number of patents in this class: 221

10-year publication summary

22
21
17
18
11
21
12
11
11
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Fujikin Incorporated
695
7
KHOLLE Magnolia 2015, LLC
21
6
Valqua, Ltd.
289
6
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3189
6
National Institute of Advanced Industrial Science and Technology
3794
4
Edwards Limited
781
4
Victaulic Company
624
4
Dieterich Standard, Inc.
62
3
Flange Cuff, L.L.C.
5
3
Kubota Corporation
4218
3
Saudi Arabian Oil Company
13943
3
TB Global Technologies Ltd.
14
3
General Electric Company
13819
2
NEC Corporation
36611
2
Pratt & Whitney Canada Corp.
5210
2
GM Global Technology Operations LLC
15776
2
Applied Materials, Inc.
19999
2
Abilene Christian University, DBA ACU
75
2
CKD Corporation
458
2
Cosmo Koki Co., Ltd.
21
2
Other owners 153