- 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 1/16 - Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
Patent holdings for IPC class F28G 1/16
Total number of patents in this class: 275
10-year publication summary
|
20
|
33
|
32
|
36
|
27
|
24
|
23
|
21
|
13
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stoneage, Inc. | 224 |
35 |
| Terydon, Inc. | 29 |
11 |
| LOBBE Industrieservice GmbH & Co KG | 19 |
9 |
| Fractal Heatsink Technologies, LLC | 20 |
8 |
| Blue Box Air LLC | 13 |
6 |
| Tube Tech Industrial Limited | 12 |
6 |
| Coil Flow Max Inc. | 6 |
5 |
| Peinemann Equipment B.V. | 18 |
5 |
| Saudi Arabian Oil Company | 12404 |
5 |
| Soottech Aktiebolag | 5 |
5 |
| Johannes Stickling | 5 |
5 |
| Mitsubishi Electric Corporation | 44738 |
4 |
| Tube Tech International Limited | 11 |
4 |
| Westinghouse Electric Company LLC | 1116 |
4 |
| Air Products and Chemicals, Inc. | 1426 |
3 |
| Candu Energy Inc. | 48 |
3 |
| Clyde Bergemann GmbH Maschinen-Und Apparatebau | 10 |
3 |
| Martin GmbH fur Umwelt-und Energietechnik | 55 |
3 |
| Precision Iceblast Corporation | 14 |
3 |
| Sentro Technologies USA, LLC | 7 |
3 |
| Other owners | 145 |