- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 3/04 - Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs
Patent holdings for IPC class F16F 3/04
Total number of patents in this class: 181
10-year publication summary
|
18
|
25
|
26
|
17
|
10
|
7
|
9
|
10
|
14
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| New-Tec Integration (Xiamen) Co., Ltd. | 395 |
9 |
| Piolax Inc. | 422 |
8 |
| Sealy Technology LLC | 361 |
8 |
| Renton Coil Spring Company | 24 |
7 |
| L & P Property Management Company | 930 |
5 |
| NHK Spring Co., Ltd. | 1935 |
5 |
| Seescan, Inc. | 548 |
5 |
| Litens Automotive Partnership | 336 |
3 |
| Meidensha Corporation | 927 |
3 |
| Nichias Corporation | 399 |
3 |
| HS Products Ltd. | 46 |
3 |
| Halliburton Energy Services, Inc. | 21169 |
2 |
| Canon Inc. | 42224 |
2 |
| Raytheon Company | 8463 |
2 |
| Schaeffler Technologies AG & Co. KG | 10687 |
2 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1888 |
2 |
| Fisher Controls International LLC | 1485 |
2 |
| Harrison Spinks Components Limited | 17 |
2 |
| M-B-W Inc. | 20 |
2 |
| Monahan Products LLC | 268 |
2 |
| Other owners | 104 |