- 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 23/16 - Flanged joints characterised by the sealing means
Patent holdings for IPC class F16L 23/16
Total number of patents in this class: 236
10-year publication summary
|
33
|
31
|
16
|
24
|
22
|
18
|
11
|
22
|
14
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Forge Tech, Inc. | 16 |
12 |
| Oiles Corporation | 515 |
7 |
| Rtx Corporation | 8674 |
6 |
| Nippon Pillar Packing Co., Ltd. | 269 |
5 |
| Fujikin Incorporated | 671 |
4 |
| Hanon Systems | 1632 |
4 |
| The Schebler Co. | 15 |
4 |
| LGC US Asset Holdings, LLC | 49 |
4 |
| CKD Corporation | 424 |
3 |
| Reinke Manufacturing Company, Inc. | 39 |
3 |
| Saudi Arabian Oil Company | 11322 |
3 |
| Toki Engineering Co., Ltd. | 7 |
3 |
| Wartsila Finland Oy | 740 |
3 |
| Bio Optimal Limited | 6 |
3 |
| BASF SE | 19740 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Cameron International Corporation | 1305 |
2 |
| Camfil AB | 226 |
2 |
| Capital Hardware Supply, Inc. | 6 |
2 |
| Other owners | 160 |