- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 49/02 - Stopping, starting, unloading or idling control
Patent holdings for IPC class F04B 49/02
Total number of patents in this class: 580
10-year publication summary
|
46
|
49
|
64
|
63
|
47
|
62
|
59
|
38
|
38
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
17 |
| LG Electronics Inc. | 69257 |
14 |
| Copeland LP | 656 |
11 |
| DEKA Products Limited Partnership | 1640 |
10 |
| Robert Bosch GmbH | 40953 |
8 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
8 |
| Graco Minnesota Inc. | 1124 |
8 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 396 |
7 |
| Denso Corporation | 23338 |
6 |
| Max Co., Ltd. | 880 |
6 |
| Sandvik Intellectual Property AB | 1634 |
6 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1407 |
6 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 196 |
6 |
| Halliburton Energy Services, Inc. | 20165 |
5 |
| Honda Motor Co., Ltd. | 24537 |
5 |
| Mitsubishi Electric Corporation | 43934 |
5 |
| Murata Manufacturing Co., Ltd. | 22355 |
5 |
| Hyundai Motor Company | 19021 |
5 |
| FNA Group, Inc. | 150 |
5 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
5 |
| Other owners | 432 |