Patent holdings for IPC class B04B 5/00

Total number of patents in this class: 203

10-year publication summary

13
18
28
18
17
16
11
9
7
7
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
MANN+HUMMEL GmbH
1759
23
Miltenyi Biotec B.V. & Co. KG
356
12
Alfa Laval Corporate AB
1313
11
Alfdex AB
60
11
Cummins Filtration IP, Inc.
808
11
Reinz-Dichtungs-GmbH
279
7
3nine AB
21
6
Hengst GmbH & Co. KG
48
6
Grimaldi Development AB
26
6
Qwtip LLC
65
5
Tokyo ROKI Co., Ltd.
69
4
Shimadzu Corporation
6171
2
Dresser-Rand Company
212
2
Hengst SE & Co. KG
23
2
Microaire Surgical Instruments LLC
67
2
Pneumatic Scale Corporation
40
2
RareCyte, Inc.
154
2
Sandstone Diagnostics, Inc.
11
2
Shin Heung Precision Co., Ltd.
22
2
ThermoGenesis Corp
43
2
Other owners 83