Patent holdings for IPC class B04B 11/02

Total number of patents in this class: 458

10-year publication summary

25
37
39
39
59
38
62
42
31
20
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Alfa Laval Corporate AB
1310
138
GEA Mechanical Equipment GmbH
246
43
Fenwal, Inc.
666
19
GEA Westfalia Separator Group GmbH
99
17
GM Innovations Limited
18
13
Alfdex AB
60
11
Pneumatic Scale Corporation
40
11
Flottweg SE
87
8
Terumo Kabushiki Kaisha
5515
7
Eppendorf Himac Technologies Co., Ltd.
59
7
Pierson Capital Environmental (Beijing) Limited
10
6
Biosafe S.A.
55
5
Derrick Corporation
245
5
Mantovani & Vicentini S.r.l.
14
5
Thought Preserve, LLC
13
5
FUJIFILM Corporation
29295
4
Shimadzu Corporation
6151
4
POET Research, Inc.
262
4
Tokyo ROKI Co., Ltd.
69
4
Tomoe Engineering Co., Ltd.
46
4
Other owners 138