- 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: 117
10-year publication summary
|
7
|
8
|
11
|
6
|
4
|
4
|
5
|
11
|
9
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
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 | 4122 |
10 |
| Obotics Inc. | 46 |
7 |
| Robert Bosch GmbH | 44254 |
6 |
| Tonand Inc. | 18 |
6 |
| Nikkiso Co., Ltd. | 799 |
4 |
| Minebea Mitsumi Inc. | 1968 |
4 |
| Perceptive Medical Inc. | 13 |
3 |
| Sanofi-Aventis Deutschland GmbH | 2588 |
2 |
| Raytheon Company | 8436 |
2 |
| Hamilton Sundstrand Corporation | 5014 |
2 |
| BSH Bosch und Siemens Hausgerate GmbH | 2442 |
2 |
| ITT Bornemann GmbH | 25 |
2 |
| KMT Waterjet Systems Inc. | 33 |
2 |
| Linde Aktiengesellschaft | 1419 |
2 |
| Macnaught Pty. Limited | 49 |
2 |
| Woodward, Inc. | 677 |
2 |
| GD Energy Products, LLC | 140 |
2 |
| LG Electronics Inc. | 75855 |
1 |
| Pratt & Whitney Canada Corp. | 5517 |
1 |
| Ford Global Technologies, LLC | 21560 |
1 |
| Other owners | 54 |