Patent holdings for IPC class B01D 1/14

Total number of patents in this class: 420

10-year publication summary

36
49
40
41
35
30
37
31
22
11
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Gradiant Corporation
131
16
Heartland Water Technology, Inc.
33
14
Massachusetts Institute of Technology
10062
11
Natural Extraction Systems, LLC
107
11
King Fahd University of Petroleum & Minerals
178
8
Ecovap, Inc.
19
8
Energy Water Solutions, LLC
12
7
Cleantek Industries Inc.
27
7
XDI Holdings, LLC
38
6
Heat IP Holdco, LLC
49
6
Shell Internationale Research Maatschappij B.V.
3548
5
Biotage AB
91
5
Micronic Technologies, Inc.
15
5
Heartland Technology Partners LLC
17
4
King Fahd University of Petroleum and Minerals
1212
4
Purestream Services, LLC
21
4
Velico Medical, Inc.
111
4
V-stax, LLC
10
4
Elavo Cleantech Ltd.
7
4
Siemens AG
24453
3
Other owners 284