Patent holdings for IPC class B02C 23/20

Total number of patents in this class: 150

10-year publication summary

10
16
11
18
20
14
15
9
6
4
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
1732
14
LG Electronics Inc.
75855
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
11879
2
Schlumberger Canada Limited
7620
2
Douglas Dynamics, L.L.C.
97
2
Dowa ECO-SYSTEM Co., Ltd.
58
2
Fres-co System USA, Inc.
50
2
Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences
248
2
The Maitland Company, LLC
16
2
Mid-American Gunite, Inc.
27
2
Milanovich Investments, L.L.C.
48
2
Pallmann Maschinenfabrik GmbH & Co. KG
46
2
REISSWOLF Akten- und Datenvernichtung GmbH & Co. KG
2
2
Rotochopper, Inc.
15
2
Tokuyama Corporation
1483
2
Aggrow Tech, LLC
14
2
Buzzelet Development and Technologies Ltd
98
2
Other owners 94