Patent holdings for IPC class B01D 53/053

Total number of patents in this class: 215

10-year publication summary

15
24
23
16
17
13
19
13
16
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Ventec Life Systems, Inc.
108
19
Pacific Consolidated Industries, LLC
21
15
Inogen, Inc.
108
13
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
4014
8
Osaka Gas Co., Ltd.
311
6
Koninklijke Philips N.V.
25306
5
Air Products and Chemicals, Inc.
1453
5
Praxair Technology, Inc.
1260
5
Taiyo Nippon Sanso Corporation
368
5
Iwatani Corporation
120
4
ColdStream Energy IP, LLC
18
4
ResMed Asia Pte Ltd
139
4
Uop LLC
4264
3
China Petroleum & Chemical Corporation
1985
3
Separation Design Group LLC
21
3
The University of Sheffield
322
3
UB - One Stiftungs GmbH
3
3
ExxonMobil Research And Engineering Company
2505
2
Denso Corporation
24958
2
Koninklijke Philips Electronics N.V.
8443
2
Other owners 101