Patent holdings for IPC class B01F 35/21

Total number of patents in this class: 577

10-year publication summary

3
3
23
36
80
86
93
103
114
61
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Precision Planting LLC
1193
18
Halliburton Energy Services, Inc.
21320
10
Cirkul, Inc.
285
8
Marathon Petroleum Company LP
410
8
Cytiva US LLC
202
6
Sealed Air Corporation (US)
520
5
Palm Mass Customization, LLC
25
5
Schlumberger Technology Corporation
11798
4
Canon Inc.
43768
4
Contemporary Amperex Technology Co., Limited
9937
4
Corob S.p.A.
41
4
Fast & Fluid Management B.V.
35
4
Moller Medical GmbH
26
4
Nihon Spindle Manufacturing Co., Ltd
79
4
Saudi Arabian Oil Company
14207
4
Sharkninja Operating LLC
2696
4
Vita-mix Management Corporation
299
4
L'OREAL, Société Anonyme
16319
3
3m Innovative Properties Company
17488
3
PPG Industries Ohio, Inc.
3329
3
Other owners 468