Patent holdings for IPC class B01D 1/14

Total number of patents in this class: 428

10-year publication summary

36
49
40
41
35
30
37
31
22
19
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Gradiant Corporation
140
16
Heartland Water Technology, Inc.
35
14
Natural Extraction Systems, LLC
110
12
Massachusetts Institute of Technology
10150
11
King Fahd University of Petroleum & Minerals
190
8
Ecovap, Inc.
19
8
Energy Water Solutions, LLC
12
7
Cleantek Industries Inc.
27
7
Biotage AB
97
6
XDI Holdings, LLC
38
6
Heat IP Holdco, LLC
49
6
Shell Internationale Research Maatschappij B.V.
3542
5
Micronic Technologies, Inc.
15
5
Heartland Technology Partners LLC
17
4
King Fahd University of Petroleum and Minerals
1379
4
Purestream Services, LLC
20
4
Velico Medical, Inc.
121
4
V-stax, LLC
30
4
Elavo Cleantech Ltd.
7
4
Siemens AG
24333
3
Other owners 290