Patent holdings for IPC class B01F 5/04

Total number of patents in this class: 1455

10-year publication summary

179
177
181
177
112
36
3
0
0
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Tenneco Automotive Operating Company Inc.
455
24
Tenneco Automotive Operating Company LLC
200
23
President and Fellows of Harvard College
6085
18
Donaldson Company, Inc.
1601
18
Faurecia Emissions Control Technologies, USA, LLC
157
18
Dow Global Technologies LLC
10919
15
Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH
309
15
Biosecurity Technology, LLC
40
14
Cummins Emission Solutions, Inc.
579
13
Voith Patent GmbH
2753
12
BASF SE
21313
11
The Procter & Gamble Company
21856
10
Siemens AG
24050
10
B. Braun Medical Inc.
194
10
Intelligent Abatement, LLC
23
10
Sharp Kabushiki Kaisha
18540
10
Caterpillar Inc.
10269
9
Robert Bosch GmbH
44094
8
Life Technologies Corporation
3451
7
Wetend Technologies Oy
26
7
Other owners 1193