Patent holdings for IPC class B01D 53/053

Total number of patents in this class: 226

10-year publication summary

16
25
24
17
19
13
21
13
19
12
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Ventec Life Systems, Inc.
104
20
Pacific Consolidated Industries, LLC
20
15
Inogen, Inc.
108
13
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
4117
8
Air Products and Chemicals, Inc.
1471
6
Osaka Gas Co., Ltd.
315
6
Koninklijke Philips N.V.
25856
5
Taiyo Nippon Sanso Corporation
365
5
Iwatani Corporation
123
4
Praxair Technology, Inc.
1222
4
ColdStream Energy IP, LLC
14
4
ResMed Asia Pte Ltd
165
4
Uop LLC
4393
3
China Petroleum & Chemical Corporation
2152
3
Separation Design Group LLC
15
3
Teijin Pharma Limited
254
3
The University of Sheffield
327
3
UB - One Stiftungs GmbH
3
3
ExxonMobil Research And Engineering Company
2422
2
Denso Corporation
25534
2
Other owners 110