- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- 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: 43
10-year publication summary
|
6
|
3
|
5
|
5
|
11
|
5
|
4
|
5
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Trico Group, LLC | 5 |
3 |
| Franklin Electric Co., Inc. | 217 |
2 |
| Noel, Raymond Ascord | 2 |
2 |
| Op-hygiene IP GmbH | 199 |
2 |
| Q.E.D. Environmental Systems, Inc. | 86 |
2 |
| S.J. Electro Systems, LLC | 85 |
2 |
| Xylem Europe GmbH | 204 |
2 |
| Schlumberger Technology Corporation | 9690 |
1 |
| Schlumberger Canada Limited | 6913 |
1 |
| Schlumberger Technology B.v. | 4951 |
1 |
| Beacon Technical Systems, LLC | 4 |
1 |
| CNX Gas Company LLC | 8 |
1 |
| DNI Realty, LLC | 28 |
1 |
| Doskocil Manufacturing Company, Inc. | 571 |
1 |
| Dry Basement, Inc. | 15 |
1 |
| Flint & Walling, Inc. | 21 |
1 |
| Gen-Probe Incorporated | 954 |
1 |
| GP Enterprises Co., Ltd. | 56 |
1 |
| Liberty Pumps Inc. | 44 |
1 |
| Logical Concepts, Inc. | 13 |
1 |
| Other owners | 15 |