- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F15C - Fluid-circuit elements predominantly used for computing or control purposes
- F15C 3/04 - Circuit elements having moving parts using diaphragms
Patent holdings for IPC class F15C 3/04
Total number of patents in this class: 40
10-year publication summary
|
1
|
4
|
4
|
1
|
6
|
2
|
2
|
1
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| META Platforms Technologies, LLC | 4806 |
7 |
| General Electric Company | 18133 |
2 |
| Debiotech S.A. | 143 |
2 |
| Rheonix, Inc. | 56 |
2 |
| University of Virginia Patent Foundation | 1470 |
2 |
| Gestion Josera Inc. | 2 |
2 |
| Placements Chic Inc. | 2 |
2 |
| Manthey, Diane, Mant | 95 |
2 |
| The Regents of the University of California | 18943 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| Koninklijke Philips N.V. | 22975 |
1 |
| Ford Global Technologies, LLC | 19702 |
1 |
| California Institute of Technology | 3884 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| Silverbrook Research Pty Ltd | 172 |
1 |
| University of Southern California | 2016 |
1 |
| Aerocrine AB | 16 |
1 |
| Alcon, Inc. | 4899 |
1 |
| Alcon Research, Ltd. | 352 |
1 |
| The Charles Stark Draper Laboratory, Inc. | 913 |
1 |
| Other owners | 7 |