- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16L - Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general
- F16L 55/00 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems
Patent holdings for IPC class F16L 55/00
Total number of patents in this class: 809
10-year publication summary
70
|
75
|
70
|
68
|
77
|
68
|
55
|
48
|
47
|
13
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Saudi Arabian Oil Company | 11322 |
19 |
Suiken Co., Ltd. | 30 |
14 |
Cosmo Koki Co., Ltd. | 19 |
11 |
Fujikin Incorporated | 671 |
11 |
Halliburton Energy Services, Inc. | 20165 |
10 |
NORMA U.S. Holding LLC | 84 |
9 |
Bridgestone Corporation | 7067 |
8 |
Cameron International Corporation | 1305 |
8 |
Gates Corporation | 1182 |
8 |
Waterworks Technology Development Organization Co., Ltd. | 41 |
8 |
The Yokohama Rubber Co., Ltd. | 3929 |
7 |
R&R IP Investments, LLC | 8 |
7 |
Reliance Worldwide Corporation | 303 |
5 |
Sanexen Environmental Services Inc. | 39 |
5 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
5 |
The Boeing Company | 19843 |
4 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
Cidra Corporate Services, Inc. | 208 |
4 |
Fresenius Kabi Deutschland GmbH | 570 |
4 |
LenLok Holdings, LLC | 28 |
4 |
Other owners | 654 |