- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 1/04 - Wound springs
Patent holdings for IPC class F16F 1/04
Total number of patents in this class: 322
10-year publication summary
|
49
|
34
|
37
|
39
|
21
|
24
|
14
|
12
|
17
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NHK Spring Co., Ltd. | 2037 |
26 |
| BAL Seal Engineering, LLC | 111 |
20 |
| Dreamwell, Ltd. | 408 |
7 |
| Sealy Technology LLC | 373 |
7 |
| Sumitomo Electric Industries, Ltd. | 16447 |
5 |
| Schaeffler Technologies AG & Co. KG | 11272 |
5 |
| BAL Seal Engineering Co., Inc. | 16 |
5 |
| Chuo Hatsujo Kabushiki Kaisha | 125 |
5 |
| Mitsubishi Steel Mfg. Co., Ltd. | 130 |
5 |
| Newtonoid Technologies, L.L.C. | 144 |
5 |
| 1065210 BC Ltd. | 15 |
5 |
| Flowco Production Solutions, LLC | 61 |
4 |
| Seescan, Inc. | 565 |
4 |
| Suncall Corporation | 205 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 15559 |
3 |
| ETA SA Manufacture Horlogere Suisse | 701 |
3 |
| Nelson Products, Inc. | 6 |
3 |
| SCHERDEL INNOTEC Forschungs-und Entwicklungs-GmbH | 35 |
3 |
| ThyssenKrupp AG | 3343 |
3 |
| ThyssenKrupp Federn und Stabilisatoren GmbH | 51 |
3 |
| Other owners | 197 |