Patent holdings for IPC class D04B 31/00

Total number of patents in this class: 13

10-year publication summary

0
1
2
0
4
2
2
0
5
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Bearaby Inc.
8
5
Low Tech Toy Club, LLC d/b/a The Woobles
2
2
Adventure Trading Incorporated
1
1
Universidad Nacional de Educación a Distancia (uned)
16
1
Fundaciôn para La Investigaciôn Biomedica Del Hospital 12 de Octubre
21
1
Spinrite Inc.
127
1
Counting Crochet Hook, L.L.C.
1
1
Low Tech Toy Club, LLC, DBA The Woobles
18
1
Other owners 0