Patent holdings for IPC class B03D 1/02

Total number of patents in this class: 886

10-year publication summary

62
58
83
64
84
66
70
51
39
27
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Cidra Corporate Services, Inc.
202
31
Outotec (Finland) Oy
480
31
Cidra Corporate Services, LLC
93
30
Metso Outotec Finland Oy
379
27
China University of Mining and Technology
1251
26
Ecolab USA Inc.
5475
26
Metso Finland Oy
431
22
BASF SE
20912
19
Sumitomo Metal Mining Co., Ltd.
1777
14
Fort Hills Energy L.P.
85
13
FLSmidth A/S
774
12
Eriez Manufacturing Co.
88
10
Nouryon Chemicals International B.V.
607
10
Clariant International Ltd.
940
9
Mitsui Engineering & Shipbuilding Co., Ltd.
318
9
Imperial Oil Resources Limited
170
8
Metso Minerals Oy
107
8
Outotec Oyj
278
8
SunCor Energy Inc.
739
8
Vale S.A.
270
8
Other owners 557