- 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: 58
10-year publication summary
|
3
|
4
|
13
|
12
|
5
|
4
|
5
|
3
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| RF Group LLC | 6 |
5 |
| DNI Realty, LLC | 31 |
3 |
| Franklin Fueling Systems, Inc. | 40 |
3 |
| Graco Minnesota Inc. | 1186 |
3 |
| Liberty Pumps Inc. | 47 |
3 |
| Trico Group, LLC | 5 |
3 |
| PumpOne Environmental, LLC | 5 |
3 |
| Franklin Electric Co., Inc. | 221 |
2 |
| Op-hygiene IP GmbH | 209 |
2 |
| Sears Brands, LLC | 77 |
1 |
| GM Global Technology Operations LLC | 14937 |
1 |
| Aisin AI Co., Ltd. | 121 |
1 |
| Askoll Holding S.r.l. | 29 |
1 |
| Carlisle Fluid Technologies, Inc. | 140 |
1 |
| Diversitech Corporation | 197 |
1 |
| Encline Artificial Lift Technologies LLC | 11 |
1 |
| Flint & Walling, Inc. | 19 |
1 |
| Hansen Downhole Pump Solutions AS | 11 |
1 |
| Logical Concepts, Inc. | 12 |
1 |
| Metropolitan Industries, Inc. | 69 |
1 |
| Other owners | 20 |