Patent holdings for IPC class B04B 11/02

Total number of patents in this class: 478

10-year publication summary

37
39
39
59
38
61
42
35
27
20
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Alfa Laval Corporate AB
1336
137
GEA Mechanical Equipment GmbH
243
42
Fenwal, Inc.
700
23
GEA Westfalia Separator Group GmbH
144
23
Alfdex AB
65
12
GM Innovations Limited
17
12
Pneumatic Scale Corporation
41
12
Flottweg SE
92
9
Terumo Kabushiki Kaisha
5768
7
Pierson Capital Environmental (Beijing) Limited
11
7
Eppendorf Himac Technologies Co., Ltd.
61
7
Derrick Corporation
256
6
FUJIFILM Corporation
30479
5
Biosafe S.A.
65
5
Mantovani & Vicentini S.r.l.
14
5
Thought Preserve, LLC
13
5
Therakos Holdings USA, LLC
28
5
Shimadzu Corporation
6336
4
POET Research, Inc.
271
4
Tokyo ROKI Co., Ltd.
69
4
Other owners 144