Patent holdings for IPC class B01F 35/221

Total number of patents in this class: 488

10-year publication summary

0
2
16
41
51
70
82
95
106
20
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Halliburton Energy Services, Inc.
21107
9
Ecolab USA Inc.
5659
6
Nihon Spindle Manufacturing Co., Ltd
78
6
Palm Mass Customization, LLC
25
6
Canon Inc.
41645
5
Ebara Corporation
2252
5
Sealed Air Corporation (US)
529
5
Lument AB
12
5
Prosper Technologies, LLC
31
5
Schlumberger Technology Corporation
11266
4
Bio-Rad Laboratories, Inc.
1615
4
Kurita Water Industries Ltd.
1246
4
SK on Co., Ltd.
1922
4
L'OREAL, Société Anonyme
16042
3
Air Liquide Electronics Systems
17
3
BASF Coatings GmbH
1201
3
BioMason, Inc.
59
3
Contemporary Amperex Technology Co., Limited
8462
3
Screen Holdings Co., Ltd.
3009
3
Sharkninja Operating LLC
2546
3
Other owners 399