Patent holdings for IPC class B01D 19/00

Total number of patents in this class: 3434

10-year publication summary

267
308
255
318
247
237
208
218
211
104
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
14235
77
DIC Corporation
3962
52
Hamilton Sundstrand Corporation
5015
48
General Electric Company
13899
33
Kurita Water Industries Ltd.
1283
29
Mitsubishi Heavy Industries, Ltd.
9128
27
Halliburton Energy Services, Inc.
21338
24
IDEX Health & Science LLC
202
22
Lummus Technology LLC
487
19
Pratt & Whitney Canada Corp.
5479
18
Massachusetts Institute of Technology
10251
17
Precision Planting LLC
1193
17
LG Chem, Ltd.
17921
14
Shashin Kagaku Co., Ltd.
52
14
Solventum Intellectual Properties Company
3415
14
Tokyo Electron Limited
13807
13
Chevron Lummus Global, LLC
34
13
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
4117
13
Saudi Aramco Technologies Company
113
13
Hyundai Motor Company
24653
12
Other owners 2945