- 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 15/04 - Feeding or driving arrangements, e.g. power operation
Patent holdings for IPC class F28G 15/04
Total number of patents in this class: 135
10-year publication summary
8
|
13
|
17
|
29
|
13
|
13
|
9
|
12
|
9
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Stoneage, Inc. | 224 |
37 |
Peinemann Equipment B.V. | 20 |
9 |
LOBBE Industrieservice GmbH & Co KG | 19 |
7 |
Westinghouse Electric Company LLC | 1087 |
6 |
Clyde Bergemann, Inc. | 10 |
4 |
Terydon, Inc. | 29 |
4 |
Johannes Stickling | 5 |
4 |
Martin GmbH fur Umwelt-und Energietechnik | 50 |
3 |
Soottech Aktiebolag | 7 |
3 |
Arts | 20 |
2 |
Clyde Bergemann GmbH Maschinen-Und Apparatebau | 10 |
2 |
Geesco Co., Ltd. | 17 |
2 |
Hitachi Zosen Corporation | 609 |
2 |
Thompson Industrial Services, LLC | 7 |
2 |
Tube Tech International Limited | 14 |
2 |
Diamond Power International, LLC | 63 |
2 |
Amerapex NDT LLC | 6 |
2 |
Sivacoe, Luisa Anne | 5 |
2 |
BC Taechan Industrial Corp. | 3 |
2 |
a X System | 3 |
2 |
Other owners | 36 |