Patent holdings for IPC class C01B 11/04

Total number of patents in this class: 135

10-year publication summary

8
10
12
9
13
20
23
8
8
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Wiab Water Innovation AB
67
43
Tokuyama Corporation
1506
7
Nipro Corporation
1053
3
Collidion, Inc.
41
3
URGO US, Inc.
19
3
Evatec Co., Ltd.
3
3
Actides GmbH
5
2
Aquilabs S.A.
2
2
Bar-Ilan University
456
2
Clartech Holding, LLC
3
2
ETi Solid State Lighting Inc.
85
2
Tokuyama Dental Corporation
241
2
The Walker Cancer Research Institute, Inc.
11
2
Xanadox Technologies Limited
2
2
Rintecs Inc.
2
2
Cougar Creek Technologies, LLC
26
2
Health Support Sanri Corporation
4
2
Marsix Solutions Ltd.
4
2
Crawford Global Limited
34
2
YMK Holdings, LLC
6
2
Other owners 45