- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 43/00 - Machines, pumps, or pumping installations having flexible working members
Patent holdings for IPC class F04B 43/00
Total number of patents in this class: 896
10-year publication summary
|
83
|
91
|
98
|
83
|
85
|
67
|
57
|
53
|
34
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DEKA Products Limited Partnership | 1922 |
32 |
| Fresenius Medical Care Deutschland GmbH | 2245 |
17 |
| Murata Manufacturing Co., Ltd. | 25998 |
15 |
| Graco Minnesota Inc. | 1290 |
15 |
| Repligen Corporation | 300 |
15 |
| Prominent GmbH | 98 |
13 |
| Blue-White Industries, Ltd., DBA Blue-White Industries | 79 |
10 |
| Nippon Pillar Packing Co., Ltd. | 236 |
10 |
| Wanner Engineering, Inc. | 59 |
10 |
| Robert Bosch GmbH | 44398 |
9 |
| Charles Austen Pumps Limited | 55 |
9 |
| GOJO Industries, Inc. | 880 |
9 |
| Microjet Technology Co., Ltd. | 456 |
9 |
| Tetra Laval Holdings & Finance S.A. | 2274 |
8 |
| Watson-Marlow GmbH | 35 |
8 |
| Watson-Marlow Limited | 105 |
8 |
| Halliburton Energy Services, Inc. | 21296 |
7 |
| Precision Planting LLC | 1205 |
7 |
| Surpass Industry Co., Ltd. | 156 |
7 |
| Xiamen Koge Micro Tech Co., Ltd. | 24 |
7 |
| Other owners | 671 |