Patent holdings for IPC class B04B 13/00

Total number of patents in this class: 441

10-year publication summary

36
35
24
45
32
38
30
37
30
4
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Alfa Laval Corporate AB
1305
45
Terumo BCT, Inc.
435
23
Fenwal, Inc.
648
19
Eppendorf Himac Technologies Co., Ltd.
57
18
GEA Mechanical Equipment GmbH
252
15
Miltenyi Biotec B.V. & Co. KG
314
12
Beckman Coulter, Inc.
1226
11
Terumo Kabushiki Kaisha
5398
8
Tomoe Engineering Co., Ltd.
48
7
Qingdao Haier Biomedical Co., Ltd.
25
7
Qingdao Haier Biomedical Technology Co., Ltd.
23
7
Roche Diagnostics Operations, Inc.
1434
6
ANDREAS Hettich GmbH & Co. KG
125
6
Haemonetics Corporation
253
6
Derrick Corporation
240
5
Husqvarna AB
2883
5
Aerodyne Microsystems Inc., a Delaware Corporation
9
5
AOI Seiki Co., Ltd.
38
4
GEA Westfalia Separator Group GmbH
77
4
Nanoshell Company, LLC
15
4
Other owners 224