- 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 19/03 - Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member with flexible sealing rings between the sealing surfaces
Patent holdings for IPC class F16L 19/03
Total number of patents in this class: 73
10-year publication summary
|
4
|
7
|
5
|
6
|
2
|
2
|
8
|
7
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 671 |
9 |
| OPW Fueling Components, LLC | 75 |
5 |
| Nippon Pillar Packing Co., Ltd. | 269 |
3 |
| Senju Sprinkler Co., Ltd. | 87 |
3 |
| Victaulic Company | 664 |
3 |
| Tokyo Electron Limited | 11599 |
2 |
| Caterpillar Inc. | 8877 |
2 |
| Dong-A Flexible Metal Tubes Co., Ltd. | 13 |
2 |
| Ipex Technologies Inc. | 89 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
2 |
| Mueller International, LLC | 694 |
2 |
| SK-KAWANISHI Co., Ltd. | 11 |
2 |
| BYRNE, Jeanette | 3 |
2 |
| Fittest Group Co., Ltd | 4 |
2 |
| Pratt & Whitney Canada Corp. | 4215 |
1 |
| Denso Corporation | 23338 |
1 |
| Bridgestone Corporation | 7067 |
1 |
| Shimadzu Corporation | 5791 |
1 |
| Central Glass Company, Limited | 1244 |
1 |
| Crane Limited | 44 |
1 |
| Other owners | 26 |