Patent holdings for IPC class B01F 35/21

Total number of patents in this class: 544

10-year publication summary

3
2
20
35
80
82
87
99
109
26
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Precision Planting LLC
1168
17
Halliburton Energy Services, Inc.
21151
10
Cirkul, Inc.
274
8
Marathon Petroleum Company LP
403
8
Cytiva US LLC
193
6
Sealed Air Corporation (US)
528
5
Sharkninja Operating LLC
2583
5
Palm Mass Customization, LLC
25
5
Schlumberger Technology Corporation
11423
4
Corob S.p.A.
40
4
Moller Medical GmbH
27
4
Nihon Spindle Manufacturing Co., Ltd
78
4
Saudi Arabian Oil Company
13931
4
Vita-mix Management Corporation
296
4
Atlas Copco IAS GmbH
86
4
L'OREAL, Société Anonyme
16104
3
3m Innovative Properties Company
17565
3
Canon Inc.
42051
3
PPG Industries Ohio, Inc.
3380
3
Air Products and Chemicals, Inc.
1463
3
Other owners 437