- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 55/027 - Throttle passages
Patent holdings for IPC class F16L 55/027
Total number of patents in this class: 288
10-year publication summary
|
33
|
35
|
27
|
26
|
29
|
30
|
30
|
16
|
13
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Emerson Process Management Regulator Technologies, Inc. | 380 |
15 |
| Fisher Controls International LLC | 1477 |
12 |
| HYDAC Technology GmbH | 233 |
7 |
| Performance Pulsation Control, Inc. | 58 |
7 |
| Robert Bosch GmbH | 42392 |
6 |
| BAE SYSTEMS plc | 2321 |
6 |
| Big Elk Energy Systems, LLC | 18 |
5 |
| Umfotec GmbH | 18 |
4 |
| The Boeing Company | 19980 |
3 |
| ASML Netherlands B.V. | 7293 |
3 |
| Schaeffler Technologies AG & Co. KG | 9706 |
3 |
| Cameron International Corporation | 1324 |
3 |
| Canada Pipeline Accessories, Co. Ltd. | 95 |
3 |
| Fujikin Incorporated | 693 |
3 |
| Neoperl GmbH | 600 |
3 |
| WorleyParsons Europe Ltd. | 7 |
3 |
| Stem Numerical Engineering S.r.l. | 7 |
3 |
| Variperm Energy Services Inc. | 54 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3544 |
2 |
| Honeywell International Inc. | 13583 |
2 |
| Other owners | 192 |