- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 14
10-year publication summary
|
1
|
0
|
1
|
1
|
0
|
0
|
2
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hubbell Incorporated | 3052 |
2 |
| 11886851 Canada Ltd. | 3 |
2 |
| The Regents of the University of California | 18943 |
1 |
| Pratt & Whitney Canada Corp. | 4215 |
1 |
| Daikin Industries, Ltd. | 9495 |
1 |
| Angstrom Power Incorporated | 16 |
1 |
| Arad Measuring Technologies Ltd. | 10 |
1 |
| Illumina, Inc. | 2771 |
1 |
| Time Manufacturing Company | 20 |
1 |
| The University Court of the University of Edinburgh | 457 |
1 |
| Dresser LLC | 230 |
1 |
| Mycrolab P/L | 1 |
1 |
| Other owners | 0 |