Patent holdings for IPC class B04B 5/00

Total number of patents in this class: 202

10-year publication summary

13
18
27
17
17
15
11
8
7
11
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
MANN+HUMMEL GmbH
1775
23
Alfdex AB
62
12
Miltenyi Biotec B.V. & Co. KG
366
12
Alfa Laval Corporate AB
1324
11
Cummins Filtration IP, Inc.
805
11
Reinz-Dichtungs-GmbH
282
7
3nine AB
21
6
Grimaldi Development AB
28
6
Qwtip LLC
65
5
Hengst GmbH & Co. KG
44
4
Tokyo ROKI Co., Ltd.
70
4
Shimadzu Corporation
6223
2
Dresser-Rand Company
210
2
Hengst SE & Co. KG
23
2
Microaire Surgical Instruments LLC
70
2
Pneumatic Scale Corporation
42
2
RareCyte, Inc.
153
2
Sandstone Diagnostics, Inc.
11
2
Shin Heung Precision Co., Ltd.
22
2
BlueCatBio GmbH
24
2
Other owners 83