- 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 37/34 - Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied at least one of the lift valves being of the sleeve type, i.e. a sleeve being telescoped over an inner cylindrical wall
Patent holdings for IPC class F16L 37/34
Total number of patents in this class: 210
10-year publication summary
11
|
20
|
16
|
18
|
22
|
18
|
19
|
15
|
21
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Colder Products Company | 225 |
24 |
Staubli Faverges | 162 |
19 |
Parker Intangibles LLC | 1237 |
9 |
U.m. Gewerbeimmobilien GmbH & Co. KG | 10 |
9 |
WilMarc Holdings, LLC | 54 |
8 |
ALFA GOMMA S.p.A. | 58 |
6 |
Flomax International, Inc. | 20 |
6 |
Danfoss Power Solutions II | 8 |
6 |
ICU Medical, Inc. | 856 |
5 |
Nifco Inc. | 1103 |
5 |
Eaton Intelligent Power Limited | 6113 |
5 |
Blue Origin, LLC | 120 |
4 |
Cejn AB | 48 |
4 |
Parker-Hannifin Corporation | 999 |
4 |
Walnab Pty Limited | 17 |
4 |
Terumo Kabushiki Kaisha | 5216 |
3 |
Hewlett Packard Enterprise Development LP | 10702 |
3 |
A. Raymond et Cie | 684 |
3 |
Eaton SAS | 7 |
3 |
Faster S.p.A. | 27 |
3 |
Other owners | 77 |