- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03B - Machines or engines for liquids
- F03B 15/08 - Regulating, i.e. acting automatically by speed, e.g. by measuring electric frequency or liquid flow
Patent holdings for IPC class F03B 15/08
Total number of patents in this class: 39
10-year publication summary
|
3
|
7
|
7
|
6
|
4
|
5
|
4
|
2
|
0
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 9495 |
5 |
| Differential Dynamics Corporation | 27 |
5 |
| Caterpillar Inc. | 8877 |
2 |
| ABB Schweiz AG | 6321 |
2 |
| Azbil Corporation | 486 |
2 |
| General Electric Company | 18133 |
1 |
| Illinois Tool Works Inc. | 11152 |
1 |
| Toshiba Corporation | 12017 |
1 |
| NTN Corporation | 5008 |
1 |
| 1847 Subsea Engineering Limited | 3 |
1 |
| The Chugoku Electric Power Co., Inc. | 498 |
1 |
| Franklin Empire | 6 |
1 |
| GE Energy (UK) Limited | 5 |
1 |
| THK Co., Ltd. | 1206 |
1 |
| Universite d'Evry Val D'essonne | 192 |
1 |
| Voith Patent GmbH | 2727 |
1 |
| GE Renewable Technologies | 122 |
1 |
| Progenesys | 2 |
1 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
1 |
| Community Hydro, LLC | 3 |
1 |
| Other owners | 8 |