- 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 21/03 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
Patent holdings for IPC class F16L 21/03
Total number of patents in this class: 279
10-year publication summary
|
31
|
32
|
27
|
40
|
35
|
23
|
39
|
22
|
17
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| S & B Technical Products, Inc. | 86 |
15 |
| Mueller International, LLC | 694 |
11 |
| Nibco Inc. | 219 |
11 |
| Victaulic Company | 664 |
11 |
| Kubota Corporation | 3054 |
9 |
| ASC Engineered Solutions, LLC | 278 |
8 |
| Krausz Industries Ltd. | 53 |
7 |
| A. Raymond et Cie | 684 |
6 |
| Trelleborg Pipe Seals Lelystad BV | 20 |
6 |
| Trinity Bay Equipment Holdings, LLC | 244 |
5 |
| Saint-Gobain Pam | 102 |
4 |
| United States Pipe and Foundry Company,LLC | 84 |
4 |
| Pipes & Fittings EQOfluids S.L. | 10 |
4 |
| Eaton Intelligent Power Limited | 6113 |
4 |
| Hultec Acquisition, LLC | 21 |
4 |
| American Cast Iron Pipe Company | 40 |
3 |
| Jung Woo Metal Ind. Co., Ltd. | 11 |
3 |
| McWane, Inc. | 93 |
3 |
| North American Pipe Corporation | 48 |
3 |
| Steere Enterprises, Inc. | 16 |
3 |
| Other owners | 155 |