- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- 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: 299
10-year publication summary
|
33
|
32
|
36
|
27
|
24
|
26
|
22
|
16
|
20
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stoneage, Inc. | 279 |
54 |
| LOBBE Industrieservice GmbH & Co KG | 19 |
10 |
| Fractal Heatsink Technologies, LLC | 21 |
9 |
| Blue Box Air LLC | 13 |
6 |
| Tube Tech Industrial Limited | 13 |
6 |
| Peinemann Equipment B.V. | 18 |
5 |
| Saudi Arabian Oil Company | 14135 |
5 |
| Westinghouse Electric Company LLC | 1190 |
5 |
| Johannes Stickling | 5 |
5 |
| Carolina Filters, Inc. | 8 |
5 |
| Samsung Electronics Co., Ltd. | 157039 |
4 |
| Mitsubishi Electric Corporation | 47893 |
4 |
| Air Products and Chemicals, Inc. | 1468 |
4 |
| Clyde Bergemann GmbH Maschinen-Und Apparatebau | 11 |
4 |
| Martin GmbH fur Umwelt-und Energietechnik | 51 |
4 |
| Precision Iceblast Corporation | 16 |
4 |
| Tube Tech International Limited | 11 |
4 |
| Candu Energy Inc. | 68 |
3 |
| Sentro Technologies USA, LLC | 7 |
3 |
| Soottech Aktiebolag | 3 |
3 |
| Other owners | 152 |