- 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 23/02 - Flanged joints the flanges being connected by members tensioned axially
Patent holdings for IPC class F16L 23/02
Total number of patents in this class: 199
10-year publication summary
|
23
|
22
|
23
|
19
|
18
|
14
|
22
|
14
|
10
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 690 |
7 |
| KHOLLE Magnolia 2015, LLC | 22 |
6 |
| Valqua, Ltd. | 264 |
6 |
| National Institute of Advanced Industrial Science and Technology | 3736 |
4 |
| Edwards Limited | 800 |
4 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3015 |
4 |
| Dieterich Standard, Inc. | 63 |
3 |
| Flange Cuff, L.L.C. | 5 |
3 |
| Kubota Corporation | 3495 |
3 |
| General Electric Company | 17789 |
2 |
| NEC Corporation | 34413 |
2 |
| GM Global Technology Operations LLC | 14260 |
2 |
| Applied Materials, Inc. | 17745 |
2 |
| Abilene Christian University, DBA ACU | 38 |
2 |
| CKD Corporation | 443 |
2 |
| Cosmo Koki Co., Ltd. | 20 |
2 |
| Emerson Electric Co. | 580 |
2 |
| Endress + Hauser Flowtec AG | 602 |
2 |
| Forum US, Inc. | 330 |
2 |
| Goodrich Actuation Systems SAS | 149 |
2 |
| Other owners | 137 |