- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16L - Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means 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: 283
10-year publication summary
17
|
33
|
35
|
27
|
26
|
29
|
30
|
29
|
14
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Emerson Process Management Regulator Technologies, Inc. | 373 |
15 |
Fisher Controls International LLC | 1520 |
12 |
HYDAC Technology GmbH | 221 |
7 |
Performance Pulsation Control, Inc. | 57 |
7 |
Robert Bosch GmbH | 40953 |
6 |
BAE SYSTEMS plc | 2215 |
6 |
Big Elk Energy Systems, LLC | 18 |
5 |
Neoperl GmbH | 608 |
4 |
Umfotec GmbH | 18 |
4 |
The Boeing Company | 19843 |
3 |
Cameron International Corporation | 1305 |
3 |
Canada Pipeline Accessories, Co. Ltd. | 90 |
3 |
Fujikin Incorporated | 671 |
3 |
WorleyParsons Europe Ltd. | 8 |
3 |
Flowserve Pte. Ltd | 216 |
3 |
Stem Numerical Engineering S.r.l. | 5 |
3 |
Variperm Energy Services Inc. | 59 |
3 |
Shell Internationale Research Maatschappij B.V. | 3792 |
2 |
Honeywell International Inc. | 13799 |
2 |
Pratt & Whitney Canada Corp. | 4215 |
2 |
Other owners | 187 |