- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 26/26 - Bituminous materials, e.g. tar, pitch
Patent holdings for IPC class C04B 26/26
Total number of patents in this class: 470
10-year publication summary
23
|
44
|
38
|
48
|
51
|
49
|
45
|
49
|
54
|
14
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ergon Asphalt & Emulsions, Inc. | 108 |
27 |
A.L.M. Holding Company | 82 |
23 |
Honeywell International Inc. | 13799 |
14 |
Cargill, Incorporated | 2835 |
13 |
Iowa State University Research Foundation, Inc. | 685 |
13 |
Total Marketing Services | 487 |
13 |
Forta, LLC | 57 |
10 |
Arkema France | 3790 |
6 |
Colas | 161 |
6 |
Omya International AG | 816 |
5 |
Surface Tech, LLC | 16 |
5 |
BASF SE | 19740 |
4 |
Kao Corporation | 4843 |
4 |
Arizona Board of Regents on behalf of Arizona State University | 2226 |
4 |
Board of Supervisors of Louisiana State University and Agricultural and Mechanical College | 786 |
4 |
Eurovia | 102 |
4 |
Johns Manville | 980 |
4 |
SI Group, Inc. | 176 |
4 |
Total Raffinage Marketing | 154 |
4 |
Asphalt Sciences LLC, DBA Asphalt Sciences LLC | 14 |
4 |
Other owners | 299 |