- 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 37/23 - Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers, or helical springs under radial pressure between the parts by means of balls
Patent holdings for IPC class F16L 37/23
Total number of patents in this class: 288
10-year publication summary
|
25
|
28
|
30
|
30
|
34
|
19
|
25
|
25
|
18
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Kohki Co., Ltd. | 280 |
25 |
| Staubli Faverges | 162 |
23 |
| Stucchi S.p.A. | 29 |
11 |
| ALFA GOMMA S.p.A. | 58 |
8 |
| Faster S.p.A. | 27 |
8 |
| WilMarc Holdings, LLC | 54 |
8 |
| U.m. Gewerbeimmobilien GmbH & Co. KG | 10 |
7 |
| Engineered Controls International, LLC | 122 |
6 |
| Eaton Intelligent Power Limited | 6113 |
6 |
| Cejn AB | 48 |
5 |
| Daisen Co., Ltd. | 9 |
5 |
| Parker-Hannifin Corporation | 999 |
5 |
| Parker Intangibles LLC | 1237 |
5 |
| Surpass Industry Co., Ltd. | 185 |
5 |
| Swagelok Company | 325 |
5 |
| Parker Hannifin Manufacturing France SAS | 40 |
4 |
| Oetiker NY, Inc. | 93 |
4 |
| Danfoss Power Solutions II | 8 |
4 |
| Balltec Limited | 31 |
3 |
| Sakura Rubber Co., Ltd. | 17 |
3 |
| Other owners | 138 |