- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans 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: 68
10-year publication summary
|
5
|
4
|
4
|
1
|
2
|
6
|
4
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 694 |
9 |
| OPW Fueling Components, LLC | 70 |
5 |
| Senju Sprinkler Co., Ltd. | 92 |
3 |
| Victaulic Company | 615 |
3 |
| Tokyo Electron Limited | 13169 |
2 |
| Caterpillar Inc. | 9866 |
2 |
| Dong-A Flexible Metal Tubes Co., Ltd. | 13 |
2 |
| Ipex Technologies Inc. | 109 |
2 |
| SK-KAWANISHI Co., Ltd. | 13 |
2 |
| BYRNE, Jeanette | 3 |
2 |
| Fittest Group Co., Ltd | 4 |
2 |
| Pratt & Whitney Canada Corp. | 4970 |
1 |
| Denso Corporation | 24818 |
1 |
| Bridgestone Corporation | 7212 |
1 |
| Shimadzu Corporation | 6237 |
1 |
| Central Glass Company, Limited | 1272 |
1 |
| Cummins Inc. | 2631 |
1 |
| Delaware Capital Formation, Inc. | 480 |
1 |
| Delta Faucet Company | 2735 |
1 |
| Dongbangtech Co., Ltd. | 3 |
1 |
| Other owners | 25 |