- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F15C - Fluid-circuit elements predominantly used for computing or control purposes
- F15C 4/00 - Circuit elements characterised by their special functions
Patent holdings for IPC class F15C 4/00
Total number of patents in this class: 12
10-year publication summary
|
1
|
1
|
0
|
0
|
2
|
1
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hubbell Incorporated | 3424 |
2 |
| 11886851 Canada Ltd. | 3 |
2 |
| The Regents of the University of California | 20646 |
1 |
| Pratt & Whitney Canada Corp. | 5448 |
1 |
| Daikin Industries, Ltd. | 10452 |
1 |
| Angstrom Power Incorporated | 8 |
1 |
| Illumina, Inc. | 3512 |
1 |
| Time Manufacturing Company | 21 |
1 |
| The University Court of the University of Edinburgh | 494 |
1 |
| Dresser LLC | 291 |
1 |
| Other owners | 0 |