Patent holdings for IPC class B01D 47/04

Total number of patents in this class: 14

10-year publication summary

3
3
2
1
1
1
0
3
0
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Chiyoda Corporation
422
2
Yorkool Engineering (jiang Su) Co., Ltd
3
2
Electric Cleaner Company, Inc.
24
1
The University of Queensland
661
1
Biomecca.inc
1
1
Bososhatai Yugen Kaisha
1
1
Desenvolupament Innovacio I Recerca Aplicada, S.L.
1
1
SPIC Yuanda Environmental Protection Engineering Co., Ltd. Chongqing Science & Technology Branch
1
1
Galiboff Plastik Kompozit Ekstruzyon Teknolojileri Ltd. Şti.
5
1
Ueno Shouten Co., Ltd.
1
1
Shandong Fangda Engineering Co., Ltd
5
1
Wasabi Innovations Ltd.
1
1
Other owners 0