- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 1/28 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
Patent holdings for IPC class G01F 1/28
Total number of patents in this class: 188
10-year publication summary
|
13
|
18
|
15
|
16
|
10
|
8
|
5
|
3
|
8
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AMVAC Chemical Corporation | 267 |
5 |
| Coroflo Limited | 12 |
4 |
| Schlumberger Technology Corporation | 11102 |
3 |
| Cidra Corporate Services, Inc. | 203 |
3 |
| Lenterra, Inc. | 6 |
3 |
| Maschinenfabrik Reinhausen GmbH | 746 |
3 |
| RAI Strategic Holdings, Inc. | 1173 |
3 |
| RCP Inc. | 12 |
3 |
| The Trustees of Princeton University | 1216 |
3 |
| Robert Bosch GmbH | 43116 |
2 |
| Medtronic MiniMed, Inc. | 1789 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 32590 |
2 |
| Massachusetts Institute of Technology | 10160 |
2 |
| Continental Automotive GmbH | 4717 |
2 |
| Alfa Laval Corporate AB | 1326 |
2 |
| American Power Conversion Corporation | 156 |
2 |
| B/E Aerospace, Inc. | 1692 |
2 |
| Baoshan Iron & Steel Co., Ltd. | 1004 |
2 |
| Elica S.p.A. | 116 |
2 |
| Feather Sensors LLC | 2 |
2 |
| Other owners | 136 |