Patent holdings for IPC class F16L 55/172

Total number of patents in this class: 115

10-year publication summary

5
17
9
9
2
8
7
11
6
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Krausz Industries Ltd.
61
13
Total Piping Solutions Inc.
23
11
Dresser Water, LLC
26
10
Petroleo Brasileiro S.A. - Petrobras
922
4
Straub Werke AG
36
4
TEAM Industrial Services, Inc.
67
4
3X Engineering
23
3
Cox Engineering Company
16
3
Eliezer Krausz Industrial Development Ltd.
24
3
Taisei Kako Co., Ltd.
161
3
Colt Services, LLC
10
3
Dresser Tps, LLC
3
3
Yokohama City
3
3
Krausz Industries Development Ltd.
34
2
Pipe Line Development Company, The
8
2
Taylor Kerr (Couplings) Limited
19
2
TDW Offshore Services AS
17
2
Waterworks Technology Development Organization Co., Ltd.
40
2
Western Specialties, LLC
6
2
Hosepatch Pty Ltd
2
2
Other owners 34