- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 20/34 - Regenerating or reactivating
Patent holdings for IPC class B01J 20/34
Total number of patents in this class: 1489
10-year publication summary
89
|
101
|
113
|
122
|
117
|
126
|
140
|
145
|
149
|
56
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
The Regents of the University of California | 18943 |
23 |
Mozarc Medical US LLC | 323 |
20 |
Chevron U.S.A. Inc. | 3774 |
19 |
BASF SE | 19740 |
15 |
Uop LLC | 4083 |
15 |
Hitachi, Ltd. | 16452 |
14 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
13 |
National Institute of Advanced Industrial Science and Technology | 3677 |
13 |
Commonwealth Scientific and Industrial Research Organisation | 1652 |
13 |
ExxonMobil Research And Engineering Company | 2830 |
12 |
JX Nippon Mining & Metals Corporation | 1576 |
12 |
Daikin Industries, Ltd. | 9495 |
11 |
Toyobo Co., Ltd. | 2286 |
11 |
Sharp Kabushiki Kaisha | 18957 |
11 |
ExxonMobil Technology and Engineering Company | 676 |
11 |
ExxonMobil Chemical Patents Inc. | 4286 |
10 |
Shell Internationale Research Maatschappij B.V. | 3792 |
9 |
Centre National de La Recherche Scientifique | 9632 |
9 |
Corning Incorporated | 9932 |
9 |
Chevron Phillips Chemical Company LP | 1779 |
9 |
Other owners | 1230 |