Patent holdings for IPC class B01F 3/12

Total number of patents in this class: 923

10-year publication summary

119
104
104
83
73
22
5
0
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Halliburton Energy Services, Inc.
21338
23
Schlumberger Technology Corporation
11818
15
Ecolab USA Inc.
5796
13
United States Gypsum Company
927
13
Schlumberger Canada Limited
7606
11
Schlumberger Technology B.v.
5298
11
Services Petroliers Schlumberger
6024
11
Sintokogio, Ltd.
1206
11
Heraeus Medical GmbH
307
10
The Maitland Company, LLC
16
10
S.p.c.m. SA
238
10
BASF SE
21303
7
Toyota Motor Corporation
35772
6
Gudpod Corp.
11
6
M. Technique Co., Ltd.
252
6
CURTIS, Philip, Anthony
331
6
Hydro Dynamics, Inc.
21
5
King Technology, Inc.
293
5
Meiji Co., Ltd.
751
5
Nihon Spindle Manufacturing Co., Ltd
79
5
Other owners 734