Patent holdings for IPC class B01F 3/12

Total number of patents in this class: 958

10-year publication summary

90
119
104
104
83
75
23
5
0
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Halliburton Energy Services, Inc.
20879
24
Schlumberger Technology Corporation
10705
15
Ecolab USA Inc.
5478
13
United States Gypsum Company
902
13
Schlumberger Canada Limited
7293
11
Schlumberger Technology B.v.
5166
11
Services Petroliers Schlumberger
5784
11
Sintokogio, Ltd.
1166
11
Heraeus Medical GmbH
288
10
S.p.c.m. SA
240
10
The Maitland Company, LLC
14
9
BASF SE
20926
7
CURTIS, Philip, Anthony
428
7
Vortex-nanofluid GmbH
7
7
Toyota Motor Corporation
31985
6
Gudpod Corp.
12
6
M. Technique Co., Ltd.
248
6
Hydro Dynamics, Inc.
19
5
King Technology, Inc.
262
5
Meiji Co., Ltd.
721
5
Other owners 766