- 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: 316
10-year publication summary
|
49
|
34
|
37
|
39
|
21
|
24
|
13
|
12
|
17
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NHK Spring Co., Ltd. | 1983 |
26 |
| BAL Seal Engineering, LLC | 110 |
20 |
| Dreamwell, Ltd. | 408 |
7 |
| Sealy Technology LLC | 364 |
7 |
| Sumitomo Electric Industries, Ltd. | 16355 |
5 |
| Schaeffler Technologies AG & Co. KG | 11003 |
5 |
| BAL Seal Engineering Co., Inc. | 17 |
5 |
| Chuo Hatsujo Kabushiki Kaisha | 127 |
5 |
| Mitsubishi Steel Mfg. Co., Ltd. | 130 |
5 |
| Newtonoid Technologies, L.L.C. | 141 |
5 |
| 1065210 BC Ltd. | 15 |
5 |
| Flowco Production Solutions, LLC | 61 |
4 |
| Suncall Corporation | 197 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 15289 |
3 |
| ETA SA Manufacture Horlogere Suisse | 704 |
3 |
| Nelson Products, Inc. | 6 |
3 |
| SCHERDEL INNOTEC Forschungs-und Entwicklungs-GmbH | 35 |
3 |
| Seescan, Inc. | 571 |
3 |
| ThyssenKrupp AG | 3399 |
3 |
| ThyssenKrupp Federn und Stabilisatoren GmbH | 51 |
3 |
| Other owners | 192 |