- 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 23/14 - Flanged joints specially adapted for particular pipes for rectangular pipes
Patent holdings for IPC class F16L 23/14
Total number of patents in this class: 63
10-year publication summary
2
|
11
|
7
|
10
|
5
|
4
|
3
|
3
|
2
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JBT Steel Industries, Inc. | 9 |
7 |
H J Fischer, LLC | 8 |
5 |
Vicon Machinery, LLC | 12 |
4 |
HVAC Inventors/Systemation, Inc. | 25 |
4 |
RAM Developing LLC | 3 |
3 |
Capital Hardware Supply, LLC | 15 |
3 |
Lam Research Corporation | 4775 |
2 |
Doby Cleats Limited | 16 |
2 |
Mestek Machinery, Inc. | 59 |
2 |
Albers Mechanical Contractors, Inc. | 5 |
2 |
Hermanussen Metallverarbeitung GmbH | 3 |
2 |
Honeywell International Inc. | 13799 |
1 |
Capital Hardware Supply, Inc. | 6 |
1 |
China General Nuclear Power Corporation | 244 |
1 |
China Nuclear Power Technology Research Institute Co., Ltd. | 151 |
1 |
Dalgarno, Kenneth James | 2 |
1 |
Ductmate Industries, Inc. | 22 |
1 |
Durasystems Barriers, Inc. | 22 |
1 |
Duro Dyne Corporation | 60 |
1 |
Green HVAC Ducts USA, LLC | 4 |
1 |
Other owners | 18 |