- 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 19/025 - Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges
Patent holdings for IPC class F16L 19/025
Total number of patents in this class: 187
10-year publication summary
|
18
|
21
|
14
|
17
|
19
|
20
|
20
|
18
|
14
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 671 |
5 |
| Nippon Pillar Packing Co., Ltd. | 269 |
5 |
| Siemens AG | 24990 |
4 |
| Caterpillar Inc. | 8877 |
4 |
| Entegris, Inc. | 1736 |
4 |
| Gates Corporation | 1182 |
4 |
| 3SC Global, LLC | 7 |
4 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
4 |
| Flexigas UKC Ltd | 6 |
3 |
| JPB Systeme | 42 |
3 |
| Sanoh Industrial Co., Ltd. | 189 |
3 |
| Uniweld Products, Inc. | 73 |
3 |
| Eriks North America, Inc. | 19 |
3 |
| General Electric Company | 18133 |
2 |
| The Boeing Company | 19843 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
2 |
| Adey Holdings (2008) Limited | 322 |
2 |
| Armaturenfabrik Franz Schneider GmbH + Co. KG | 7 |
2 |
| Forum US, Inc. | 315 |
2 |
| Other owners | 124 |