Patent holdings for IPC class B02C 23/20

Total number of patents in this class: 146

10-year publication summary

10
15
11
17
19
13
15
9
5
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Owens Corning Intellectual Capital, LLC
1623
13
LG Electronics Inc.
74373
3
Reflect Scientific, Inc.
29
3
Shenzhen Shen Jiayuan Environmental Technology Co., Ltd.
5
3
Yi Chun Green Technology Co., Ltd.
6
3
Schlumberger Technology Corporation
11266
2
Schlumberger Canada Limited
7487
2
Douglas Dynamics, L.L.C.
92
2
Dowa ECO-SYSTEM Co., Ltd.
57
2
Fres-co System USA, Inc.
50
2
Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences
241
2
The Maitland Company, LLC
15
2
Mid-American Gunite, Inc.
28
2
Milanovich Investments, L.L.C.
49
2
Pallmann Maschinenfabrik GmbH & Co. KG
48
2
REISSWOLF Akten- und Datenvernichtung GmbH & Co. KG
2
2
Rotochopper, Inc.
15
2
Tokuyama Corporation
1451
2
Aggrow Tech, LLC
14
2
Buzzelet Development and Technologies Ltd
99
2
Other owners 91