- 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 5/04 - Sealing to form a firebreak device
Patent holdings for IPC class F16L 5/04
Total number of patents in this class: 388
10-year publication summary
22
|
32
|
40
|
53
|
36
|
43
|
40
|
32
|
29
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hilti Aktiengesellschaft | 3227 |
164 |
Beele Engineering B.V. | 146 |
18 |
Reliance Worldwide Corporation | 303 |
16 |
Roxtec AB | 260 |
12 |
Sekisui Chemical Co., Ltd. | 3159 |
11 |
Specified Technologies Inc. | 80 |
9 |
Promat Australia Pty Ltd. | 13 |
8 |
Rockwool A/S | 753 |
8 |
ROCKWOOL International A/S | 323 |
7 |
J. Van Walraven Holding B.V. | 150 |
6 |
3m Innovative Properties Company | 18406 |
5 |
Deutsche Rockwool Mineralwoll GmbH & Co. OHG | 48 |
5 |
Fläkt Woods AB | 37 |
5 |
Yoshino Gypsum Co., Ltd. | 224 |
5 |
IG6 Pty Ltd | 5 |
5 |
Guardian Investigation Group Inc. | 4 |
4 |
Etex Building Performance GmbH | 11 |
4 |
Cabscape Holdings Pty Ltd | 3 |
3 |
Ipex Technologies Inc. | 89 |
3 |
MCT Brattberg AB | 16 |
3 |
Other owners | 87 |