- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 1/0448 - Sealing means, e.g. for shafts or housings
Patent holdings for IPC class F04B 1/0448
Total number of patents in this class: 49
10-year publication summary
|
2
|
0
|
6
|
5
|
16
|
3
|
8
|
8
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42674 |
9 |
| GD Energy Products, LLC | 105 |
5 |
| Halliburton Energy Services, Inc. | 20879 |
4 |
| Kerr Machine Co. | 136 |
4 |
| Poclain Hydraulics Industrie | 240 |
2 |
| Danfoss Power Solutions (Jiangsu) Co., Ltd. | 9 |
2 |
| Danfoss A/S | 1355 |
2 |
| Mainspring Energy, Inc. | 111 |
2 |
| Hitachi Astemo, Ltd. | 6383 |
2 |
| PHINIA Jersey Holdings LLC | 365 |
2 |
| A.W. Chesterton Company | 89 |
1 |
| Chart Inc. | 138 |
1 |
| Gardner Denver Petroleum Pumps, LLC | 3 |
1 |
| Maruyama Mfg. Co., Inc. | 46 |
1 |
| Moog GmbH | 49 |
1 |
| Toyocolor Co., Ltd. | 217 |
1 |
| VP Sales and Company, LP | 4 |
1 |
| BorgWarner France SAS | 61 |
1 |
| Delphi Technologies IP Limited | 317 |
1 |
| Vulcan Industrial Holdings LLC | 59 |
1 |
| Other owners | 5 |