- 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 55/055 - Valves therefor
Patent holdings for IPC class F16L 55/055
Total number of patents in this class: 38
10-year publication summary
4
|
3
|
6
|
6
|
4
|
2
|
1
|
4
|
1
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Lennox Industries Inc. | 1088 |
5 |
Robert Bosch GmbH | 40953 |
3 |
Jain Irrigation Systems Limited | 52 |
3 |
Massachusetts Institute of Technology | 9795 |
2 |
Saudi Arabian Oil Company | 11322 |
2 |
Young Engineering & Manufacturing, Inc. | 10 |
2 |
LG Electronics Inc. | 69257 |
1 |
Honeywell International Inc. | 13799 |
1 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
Chevron U.S.A. Inc. | 3774 |
1 |
3eflow AB | 19 |
1 |
Aramco Services Company | 3504 |
1 |
China Institute of Water Resources and Hydropower Research | 69 |
1 |
Emerson Process Management (Tianjin) Valve Co., Ltd | 10 |
1 |
Hydro International plc | 43 |
1 |
KHS GmbH | 1381 |
1 |
Kofulso Co., Ltd. | 22 |
1 |
Nibco Inc. | 219 |
1 |
Performance Pulsation Control, Inc. | 57 |
1 |
Premium Patents Sdn. Bhd | 4 |
1 |
Other owners | 7 |