- 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 14/08 - Diatomaceous earth
Patent holdings for IPC class C04B 14/08
Total number of patents in this class: 33
10-year publication summary
0
|
4
|
5
|
2
|
5
|
5
|
4
|
3
|
5
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
EP Minerals, LLC | 97 |
5 |
U.S. Concrete, Inc. | 14 |
3 |
CertainTeed Gypsum, Inc. | 180 |
2 |
AM Technology Limited | 15 |
1 |
Ashtech Industries, LLC | 3 |
1 |
James Hardie Technology Limited | 462 |
1 |
Nikko Company | 14 |
1 |
Procedo Enterprises Etablissement | 10 |
1 |
The Regents of the University of Colorado, a body corporate | 2430 |
1 |
Sika Technology AG | 2650 |
1 |
Yara International ASA | 753 |
1 |
Yoshino Gypsum Co., Ltd. | 224 |
1 |
Imertech SAS | 224 |
1 |
Lakwoo Industry Co., Ltd. | 1 |
1 |
P.m.c. | 2 |
1 |
Technew Comércio e Indústria Ltda | 1 |
1 |
Jo, Byeong Hak | 1 |
1 |
Jo, Won Ho | 1 |
1 |
Beijing Building Materials Academy of Sciences Research | 1 |
1 |
Each Dream Co., Ltd. | 4 |
1 |
Other owners | 6 |