- 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 55/053 - Pneumatic reservoirs the gas in the reservoir being separated from the fluid in the pipe
Patent holdings for IPC class F16L 55/053
Total number of patents in this class: 134
10-year publication summary
|
10
|
18
|
19
|
15
|
16
|
12
|
8
|
9
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AMTROL Licensing Inc. | 219 |
11 |
| Robert Bosch GmbH | 41786 |
10 |
| LSP Products Group, Inc. | 45 |
7 |
| Eagle Industry Co., Ltd. | 1101 |
5 |
| HYDAC Technology GmbH | 227 |
5 |
| Performance Pulsation Control, Inc. | 59 |
5 |
| Denso Corporation | 23769 |
4 |
| Blacoh Fluid Controls, Inc. | 16 |
4 |
| NHK Spring Co., Ltd. | 1769 |
4 |
| Young Engineering & Manufacturing, Inc. | 10 |
4 |
| 3eflow AB | 20 |
3 |
| Hewlett Packard Enterprise Development LP | 10642 |
2 |
| Accor Technology, Inc. | 30 |
2 |
| Flamco B.V. | 44 |
2 |
| GEA Mechanical Equipment GmbH | 252 |
2 |
| Hutchinson SRL | 14 |
2 |
| Les Solutions Calefactio Inc. | 3 |
2 |
| Mhwirth GmbH | 54 |
2 |
| Petroleo Brasileiro S.A. - Petrobras | 782 |
2 |
| Piranha Plastics, LLC | 5 |
2 |
| Other owners | 54 |