Patent holdings for IPC class B01F 35/221

Total number of patents in this class: 508

10-year publication summary

0
2
16
41
51
70
82
95
106
39
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Halliburton Energy Services, Inc.
21154
9
Ecolab USA Inc.
5703
6
Nihon Spindle Manufacturing Co., Ltd
78
6
Palm Mass Customization, LLC
25
6
Canon Inc.
42088
5
Ebara Corporation
2266
5
Sealed Air Corporation (US)
527
5
Lument AB
12
5
Prosper Technologies, LLC
31
5
Schlumberger Technology Corporation
11436
4
Bio-Rad Laboratories, Inc.
1611
4
Kurita Water Industries Ltd.
1252
4
SK on Co., Ltd.
2032
4
L'OREAL, Société Anonyme
16139
3
Samsung SDI Co., Ltd.
9627
3
Air Liquide Electronics Systems
16
3
BASF Coatings GmbH
1206
3
BioMason, Inc.
59
3
Cerus Corporation
96
3
Contemporary Amperex Technology Co., Limited
8853
3
Other owners 419