- 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 1/02 - Non-rotary, e.g. reciprocated, appliances having brushes
Patent holdings for IPC class F28G 1/02
Total number of patents in this class: 21
10-year publication summary
4
|
4
|
2
|
3
|
0
|
1
|
3
|
0
|
2
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Crossford International, LLC | 87 |
3 |
LG Electronics Inc. | 69257 |
2 |
Arts | 20 |
2 |
Back Porch Holdings Inc. | 3 |
2 |
Mitsubishi Electric Corporation | 43934 |
1 |
Aker Subsea AS | 130 |
1 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
1 |
Huber SE | 88 |
1 |
The Kim Family Trust, a California trust, comprising Jeanne M. Kim, a U.S. citizen, The | 12 |
1 |
Schweitzer Project S.p.A. | 9 |
1 |
Tokyo Electric Power Company Holdings, Incorporated | 94 |
1 |
Yara International ASA | 753 |
1 |
Tamagawa University and Tamagawa Academy | 20 |
1 |
Allen Ventures, LLC | 1 |
1 |
Felino-fundição de Const. Mecânicas, SA | 1 |
1 |
Maanshan Nbwave Thermal Energy Technology Co., Ltd. | 2 |
1 |
Other owners | 0 |