- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21V - Functional features or details of lighting devices or systems thereofstructural combinations of lighting devices with other articles, not otherwise provided for
- F21V 21/38 - Hoisting or lowering devices, e.g. for maintenance with a cable
Patent holdings for IPC class F21V 21/38
Total number of patents in this class: 78
10-year publication summary
|
4
|
5
|
6
|
13
|
6
|
6
|
15
|
13
|
9
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wangs Alliance Corp., DBA WAC Lighting | 240 |
18 |
| Seas II Day, LLC | 5 |
5 |
| ISA Co., Ltd. | 12 |
4 |
| Occhio GmbH | 69 |
4 |
| Reel Tech Co., Ltd. | 17 |
4 |
| Production Resource Group, LLC | 238 |
3 |
| Mike-o-matic Industries LLC | 3 |
3 |
| ABL IP Holding LLC | 1895 |
2 |
| Kosedag Tel Orme Sanayi ve Ticaret Ithalat Ihracat A.S. | 7 |
2 |
| Wesco Distribution, Inc. | 171 |
2 |
| Epiroc Rock Drills Aktiebolag | 619 |
2 |
| Federal Signal Corporation | 222 |
1 |
| Flexso S.r.l. | 1 |
1 |
| Neuehouse LLC | 3 |
1 |
| New Technology Bank Co., Ltd. | 2 |
1 |
| Opple Lighting Co., Ltd. | 884 |
1 |
| Radiant Opto-Electronics Corporation | 193 |
1 |
| Sinowell (Shanghai) Co., Ltd. | 41 |
1 |
| Springs Window Fashions, LLC | 91 |
1 |
| USA Products Group, Inc. | 31 |
1 |
| Other owners | 20 |