Patent holdings for IPC class F16L 55/172

Total number of patents in this class: 118

10-year publication summary

7
20
11
12
3
8
7
14
7
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Dresser Water, LLC
40
16
Krausz Industries Ltd.
64
14
Total Piping Solutions Inc.
10
5
Petroleo Brasileiro S.A. - Petrobras
972
4
Straub Werke AG
34
4
TEAM Industrial Services, Inc.
65
4
3X Engineering
24
3
Cox Engineering Company
17
3
Eliezer Krausz Industrial Development Ltd.
23
3
Taisei Kako Co., Ltd.
169
3
Colt Services, LLC
10
3
Dresser Tps, LLC
3
3
Yokohama City
4
3
Krausz Industries Development Ltd.
34
2
Pipe Line Development Company, The
8
2
Taylor Kerr (Couplings) Limited
19
2
TDW Offshore Services AS
18
2
Waterworks Technology Development Organization Co., Ltd.
38
2
Western Specialties, LLC
6
2
Hosepatch Pty Ltd
2
2
Other owners 36