Patent holdings for IPC class F16L 33/28

Total number of patents in this class: 88

10-year publication summary

5
5
5
4
7
9
5
5
11
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
JFE Pipe Fitting Mfg. Co., Ltd.
4
4
National Oilwell Varco Denmark I/S
131
3
Drug Careers Inc., DBA Lane Innovations
18
3
Uniwell Rohrsysteme GmbH & Co. KG
10
3
BFM Technology Limited
25
2
CareFusion 303, Inc.
2293
2
Carl Freudenberg KG
1415
2
EagleBurgmann Germany GmbH & Co. KG
344
2
FMC Technologies, Inc.
605
2
Kanaflex Corporation
20
2
Neoperl GmbH
612
2
PACCAR Inc
1356
2
Technip France
693
2
Baker Hughes Energy Technology UK Limited
230
2
Flexsteel USA, LLC
165
2
General Electric Company
13777
1
Schlumberger Technology Corporation
11298
1
The Boeing Company
20111
1
Hitachi Metals, Ltd.
1936
1
Robert Bosch GmbH
43321
1
Other owners 48