- All sections
- D - Textilespaper
- D04B - Knitting
- D04B 33/00 - Crocheting tools or apparatus
Patent holdings for IPC class D04B 33/00
Total number of patents in this class: 9
10-year publication summary
|
0
|
1
|
2
|
1
|
4
|
1
|
3
|
3
|
7
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Low Tech Toy Club, LLC d/b/a The Woobles | 3 |
3 |
| Clover Mfg. Co., Ltd. | 82 |
1 |
| Technion Research & Development Foundation Ltd. | 1215 |
1 |
| Fachhochschule Bielefeld | 13 |
1 |
| Counting Crochet Hook, L.L.C. | 1 |
1 |
| Low Tech Toy Club, LLC, DBA The Woobles | 18 |
1 |
| Shenzhen Kaidu Linghang Technology Co., Ltd. | 8 |
1 |
| Other owners | 0 |