- 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 23/00 - Flanged joints
Patent holdings for IPC class F16L 23/00
Total number of patents in this class: 443
10-year publication summary
44
|
56
|
46
|
45
|
51
|
27
|
36
|
28
|
18
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Victaulic Company | 664 |
25 |
NORMA Germany GmbH | 219 |
15 |
Emerson Process Management Regulator Technologies, Inc. | 373 |
5 |
Volvo Truck Corporation | 2764 |
5 |
Caillau | 43 |
5 |
The Boeing Company | 19843 |
4 |
"agru" Kunststofftechnik Gesellschaft m.b.H. | 62 |
4 |
Fisher Controls International LLC | 1520 |
4 |
SGL Carbon SE | 388 |
4 |
TDW Delaware, Inc. | 163 |
4 |
General Electric Company | 18133 |
3 |
Halliburton Energy Services, Inc. | 20165 |
3 |
BASF SE | 19740 |
3 |
Hamilton Sundstrand Corporation | 4525 |
3 |
Equalizer International Limited | 6 |
3 |
Etablissements Caillau | 40 |
3 |
Fisher & Paykel Healthcare Limited | 2218 |
3 |
Flange Cuff, L.L.C. | 5 |
3 |
Rosemount Inc. | 1212 |
3 |
Rosemount Tank Radar AB | 291 |
3 |
Other owners | 338 |