- 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 21/28 - Pivoted arms adjustable in more than one plane
Patent holdings for IPC class F21V 21/28
Total number of patents in this class: 222
10-year publication summary
|
28
|
28
|
13
|
27
|
13
|
27
|
19
|
17
|
16
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| American Sterilizer Company | 674 |
9 |
| Milwaukee Electric Tool Corporation | 4775 |
9 |
| Hubbell Lighting, Inc | 605 |
8 |
| Augustine Biomedical & Design, LLC | 64 |
7 |
| Gentex Corporation | 1940 |
6 |
| A-Dec, Inc. | 124 |
5 |
| Qisda Corporation | 505 |
5 |
| Rite-Hite Holding Corporation | 663 |
5 |
| ROBE Lighting s.r.o. | 144 |
5 |
| Black & Decker, Inc. | 2417 |
4 |
| Dyson Technology Limited | 3876 |
4 |
| Guangzhou Haoyang Electronic Co., Ltd. | 243 |
4 |
| Nabors Drilling Technologies USA, Inc. | 570 |
4 |
| Opple Lighting Co., Ltd. | 874 |
4 |
| Suzhou Opple Lighting Co., Ltd. | 647 |
4 |
| ABL IP Holding LLC | 1896 |
3 |
| Karl Leibinger Medizintechnik GmbH & Co. KG | 75 |
3 |
| Musco Corporation | 288 |
3 |
| Minebea Mitsumi Inc. | 1867 |
3 |
| Nissan Motor Co., Ltd. | 12731 |
2 |
| Other owners | 125 |