- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 31/00 - Operating means; Releasing devices
Patent holdings for IPC class F16K 31/00
Total number of patents in this class: 1491
10-year publication summary
|
110
|
144
|
147
|
142
|
143
|
123
|
98
|
95
|
95
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1520 |
32 |
| Fujikin Incorporated | 671 |
26 |
| Robert Bosch GmbH | 40953 |
25 |
| Hamilton Sundstrand Corporation | 4525 |
20 |
| HORIBA STEC, Co., Ltd. | 302 |
20 |
| Vernet | 149 |
20 |
| Hyundai Motor Company | 19021 |
18 |
| Illinois Tool Works Inc. | 11152 |
14 |
| GM Global Technology Operations LLC | 13620 |
13 |
| Rockwell Automation Technologies, Inc. | 2547 |
13 |
| Mechano Transformer Corporation | 43 |
13 |
| Satake Corporation | 284 |
12 |
| Nippon Thermostat Co., Ltd. | 158 |
11 |
| Kia Motors Corporation | 7946 |
10 |
| Festo SE & Co. KG | 349 |
10 |
| AM Conservation Group | 17 |
10 |
| Danfoss A/S | 1259 |
9 |
| The Boeing Company | 19843 |
8 |
| Ford Global Technologies, LLC | 19702 |
8 |
| CKD Corporation | 424 |
8 |
| Other owners | 1191 |