Patent holdings for IPC class B01F 3/12

Total number of patents in this class: 940

10-year publication summary

90
119
104
104
83
73
22
4
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.
21021
24
Schlumberger Technology Corporation
11023
15
Ecolab USA Inc.
5587
13
United States Gypsum Company
905
13
Schlumberger Canada Limited
7418
11
Schlumberger Technology B.v.
5217
11
Services Petroliers Schlumberger
5874
11
Sintokogio, Ltd.
1162
11
Heraeus Medical GmbH
304
10
S.p.c.m. SA
239
10
The Maitland Company, LLC
15
9
BASF SE
21072
7
CURTIS, Philip, Anthony
389
7
Toyota Motor Corporation
33378
6
Gudpod Corp.
11
6
M. Technique Co., Ltd.
250
6
Hydro Dynamics, Inc.
21
5
King Technology, Inc.
271
5
Meiji Co., Ltd.
736
5
Nihon Spindle Manufacturing Co., Ltd
78
5
Other owners 750