- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 49/04 - Regulating by means of floats
Patent holdings for IPC class F04B 49/04
Total number of patents in this class: 56
10-year publication summary
|
4
|
13
|
12
|
5
|
4
|
5
|
3
|
3
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| RF Group LLC | 6 |
5 |
| DNI Realty, LLC | 30 |
4 |
| Franklin Fueling Systems, Inc. | 37 |
3 |
| Graco Minnesota Inc. | 1281 |
3 |
| Trico Group, LLC | 5 |
3 |
| PumpOne Environmental, LLC | 5 |
3 |
| Franklin Electric Co., Inc. | 220 |
2 |
| Op-hygiene IP GmbH | 222 |
2 |
| Illinois Tool Works Inc. | 11866 |
1 |
| Sears Brands, LLC | 72 |
1 |
| GM Global Technology Operations LLC | 16155 |
1 |
| Aisin AI Co., Ltd. | 121 |
1 |
| Carlisle Fluid Technologies, Inc. | 130 |
1 |
| Diversitech Corporation | 237 |
1 |
| Encline Artificial Lift Technologies LLC | 8 |
1 |
| Flint & Walling, Inc. | 18 |
1 |
| Hansen Downhole Pump Solutions AS | 11 |
1 |
| Liberty Pumps Inc. | 44 |
1 |
| Logical Concepts, Inc. | 12 |
1 |
| Metropolitan Industries, Inc. | 71 |
1 |
| Other owners | 19 |