Patent holdings for IPC class B04B 9/06

Total number of patents in this class: 69

10-year publication summary

4
14
5
5
5
5
2
2
2
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Alfa Laval Corporate AB
1344
12
Alfdex AB
69
10
MANN+HUMMEL GmbH
1813
7
Cummins Filtration IP, Inc.
584
6
Qwtip LLC
69
4
Reinz-Dichtungs-GmbH
282
4
Grimaldi Development AB
26
4
Atmus Filtration IP Inc.
276
3
3nine AB
21
2
GM Innovations Limited
17
2
Hengst GmbH & Co. KG
38
2
The Research Foundation for The State University of New York
1756
2
Tokyo ROKI Co., Ltd.
68
2
Pratt & Whitney Canada Corp.
5517
1
Alfa Wassermann, Inc.
34
1
Flottweg SE
92
1
Hengst SE & Co. KG
23
1
Mantovani & Vicentini S.r.l.
14
1
Elgin Separation Solutions Industrials, LLC
7
1
Innio Jenbacher GmbH & Co og
306
1
Other owners 2