- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 3/00 - Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage
Patent holdings for IPC class F04B 3/00
Total number of patents in this class: 118
10-year publication summary
|
12
|
7
|
8
|
10
|
6
|
2
|
4
|
5
|
11
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4006 |
9 |
| Obotics Inc. | 50 |
7 |
| Robert Bosch GmbH | 42826 |
6 |
| Tonand Inc. | 16 |
5 |
| Nikkiso Co., Ltd. | 790 |
4 |
| Minebea Mitsumi Inc. | 1778 |
4 |
| Leobersdorfer Maschinenfabrik AG | 8 |
3 |
| Sanofi-Aventis Deutschland GmbH | 2616 |
2 |
| Raytheon Company | 8400 |
2 |
| BSH Bosch und Siemens Hausgerate GmbH | 2781 |
2 |
| Edwards Limited | 787 |
2 |
| ITT Bornemann GmbH | 27 |
2 |
| KMT Waterjet Systems Inc. | 32 |
2 |
| Linde Aktiengesellschaft | 1496 |
2 |
| Macnaught Pty. Limited | 49 |
2 |
| Woodward, Inc. | 648 |
2 |
| Perceptive Medical Inc. | 16 |
2 |
| Samsung Electronics Co., Ltd. | 147983 |
1 |
| LG Electronics Inc. | 73690 |
1 |
| Pratt & Whitney Canada Corp. | 4838 |
1 |
| Other owners | 57 |