- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 49/025 - Stopping, starting, unloading or idling control by means of floats
Patent holdings for IPC class F04B 49/025
Total number of patents in this class: 49
10-year publication summary
|
5
|
5
|
11
|
5
|
4
|
6
|
5
|
4
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gen-Probe Incorporated | 1039 |
3 |
| Trico Group, LLC | 5 |
3 |
| Samsung Electronics Co., Ltd. | 157719 |
2 |
| Franklin Electric Co., Inc. | 220 |
2 |
| Lely Patent N.V. | 773 |
2 |
| Op-hygiene IP GmbH | 222 |
2 |
| Q.E.D. Environmental Systems, Inc. | 90 |
2 |
| S.J. Electro Systems, LLC | 94 |
2 |
| Xylem Europe GmbH | 224 |
2 |
| Schlumberger Technology Corporation | 11818 |
1 |
| Schlumberger Canada Limited | 7606 |
1 |
| Schlumberger Technology B.v. | 5298 |
1 |
| Beacon Technical Systems, LLC | 4 |
1 |
| CNX Gas Company LLC | 8 |
1 |
| DNI Realty, LLC | 30 |
1 |
| Doskocil Manufacturing Company, Inc. | 832 |
1 |
| Dry Basement, Inc. | 15 |
1 |
| Flint & Walling, Inc. | 18 |
1 |
| GP Enterprises Co., Ltd. | 62 |
1 |
| Liberty Pumps Inc. | 44 |
1 |
| Other owners | 18 |