- 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 1/12 - Fluid-propelled scrapers, bullets, or like solid bodies
Patent holdings for IPC class F28G 1/12
Total number of patents in this class: 119
10-year publication summary
|
10
|
13
|
9
|
7
|
13
|
9
|
3
|
2
|
1
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron Phillips Chemical Company LP | 1861 |
6 |
| HVS Engineering Pte Ltd | 5 |
5 |
| Hydroball Technics Holdings Pte Ltd | 4 |
4 |
| Shenzhen Handfos Fluid Mechanical & Electrical Equipment Co., Ltd | 4 |
4 |
| Back Porch Holdings Inc. | 3 |
3 |
| Fiberbuilt Manufacturing Inc. | 18 |
3 |
| Geesco Co., Ltd. | 18 |
3 |
| No-des, Inc. | 14 |
3 |
| Taprogge GmbH | 23 |
3 |
| Tube Tech International Limited | 11 |
3 |
| Glasspoint, Inc. | 24 |
3 |
| ConocoPhillips Company | 1709 |
2 |
| C.q.m. Ltd. | 6 |
2 |
| Crossford International, LLC | 92 |
2 |
| Jeongwoo Industrial Machine Co., Ltd. | 3 |
2 |
| The Kim Family Trust, a California trust, comprising Jeanne M. Kim, a U.S. citizen, The | 10 |
2 |
| Korea Institute of Energy Research | 898 |
2 |
| Saudi Arabian Oil Company | 14235 |
2 |
| Sivacoe, Luisa Anne | 5 |
2 |
| Chongqing Midea General Refrigeration Equipment Co., Ltd. | 47 |
2 |
| Other owners | 61 |