- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F28G - Cleaning of internal or external surfaces of heat-exchange or heat-transfer conduits, e.g. water tubes of boilers
- F28G 15/02 - Supports for cleaning appliances, e.g. frames
Patent holdings for IPC class F28G 15/02
Total number of patents in this class: 134
10-year publication summary
9
|
17
|
23
|
17
|
16
|
12
|
14
|
14
|
6
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Stoneage, Inc. | 224 |
36 |
Terydon, Inc. | 29 |
11 |
Peinemann Equipment B.V. | 20 |
7 |
Johannes Stickling | 5 |
5 |
LOBBE Industrieservice GmbH & Co KG | 19 |
4 |
Horton, Inc. | 118 |
3 |
Tube Tech Industrial Limited | 9 |
3 |
Arts | 20 |
2 |
Canadian Natural Resources Limited | 44 |
2 |
Clyde Bergemann, Inc. | 10 |
2 |
Thompson Industrial Services, LLC | 7 |
2 |
Tube Tech International Limited | 14 |
2 |
Westinghouse Electric Company LLC | 1087 |
2 |
Joint Stock Company "rosenergoatom" | 80 |
2 |
BC Taechan Industrial Corp. | 3 |
2 |
Science and Innovations - Nuclear Industry Scientific Development, Private Enterprise | 55 |
2 |
a X System | 3 |
2 |
Atomenergoremont Joint-Stock Company | 6 |
2 |
LLC "krok" | 6 |
2 |
ExxonMobil Research And Engineering Company | 2830 |
1 |
Other owners | 40 |