- All sections
- A - Human necessities
- A63B - Apparatus for physical training, gymnastics, swimming, climbing, or fencingball gamestraining equipment
- A63B 21/28 - Devices for two persons operating in opposition
Patent holdings for IPC class A63B 21/28
Total number of patents in this class: 37
10-year publication summary
|
7
|
13
|
8
|
8
|
9
|
5
|
6
|
6
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AccesSportAmerica, Inc. | 4 |
4 |
| Fit Family Incorporated | 3 |
3 |
| OK Engineering Inc | 6 |
3 |
| Gymeni Fitness, LLC | 5 |
3 |
| Case Western Reserve University | 1907 |
2 |
| Kent State University | 234 |
2 |
| Toyota Motor Corporation | 36159 |
1 |
| Auburn University | 498 |
1 |
| Get Arm Strength L.L.C. | 1 |
1 |
| Implus Footcare, LLC | 649 |
1 |
| Mission Competition Fitness Equipment | 5 |
1 |
| Raimondo Fazio | 3 |
1 |
| Rock Forging | 1 |
1 |
| Shadowman Sports Limited | 2 |
1 |
| Sylvain Matte | 1 |
1 |
| Vtm, LLC | 6 |
1 |
| Vertimax, LLC | 10 |
1 |
| Reaxing S.r.l. | 40 |
1 |
| Zhang Guiqin | 5 |
1 |
| Tonal Systems, Inc. | 181 |
1 |
| Other owners | 6 |