Patent holdings for IPC class B04B 11/02

Total number of patents in this class: 453

10-year publication summary

25
37
39
39
59
38
62
42
31
15
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Alfa Laval Corporate AB
1302
135
GEA Mechanical Equipment GmbH
246
43
Fenwal, Inc.
659
19
GEA Westfalia Separator Group GmbH
97
17
GM Innovations Limited
18
13
Alfdex AB
58
11
Pneumatic Scale Corporation
40
11
Flottweg SE
87
8
Terumo Kabushiki Kaisha
5502
7
Eppendorf Himac Technologies Co., Ltd.
59
7
Biosafe S.A.
55
5
Derrick Corporation
245
5
Mantovani & Vicentini S.r.l.
15
5
Thought Preserve, LLC
13
5
Pierson Capital Environmental (Beijing) Limited
9
5
FUJIFILM Corporation
29228
4
Shimadzu Corporation
6132
4
POET Research, Inc.
259
4
Tokyo ROKI Co., Ltd.
69
4
Tomoe Engineering Co., Ltd.
46
4
Other owners 137