Patent holdings for IPC class B08B 3/02

Total number of patents in this class: 3811

10-year publication summary

312
373
400
362
361
388
434
365
330
195
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Semes Co., Ltd.
1510
86
Alfred Kärcher GmbH & Co. KG
374
74
Ebara Corporation
2169
73
Screen Holdings Co., Ltd.
2814
70
Tokyo Electron Limited
12712
66
Alfred Kärcher SE & Co. KG
652
64
Taiwan Semiconductor Manufacturing Company, Ltd.
42704
48
LG Electronics Inc.
73021
34
Stoneage, Inc.
237
33
Applied Materials, Inc.
18621
31
Samsung Electronics Co., Ltd.
146092
30
Sugino Machine Limited
177
25
Valeo Systemes d'Essuyage
1137
25
Sharp Kabushiki Kaisha
18744
24
Ecolab USA Inc.
5480
23
EcoServices, LLC
45
23
Meiko Maschinenbau GmbH & Co. KG
176
22
Positec Power Tools (Suzhou) Co., Ltd.
719
22
Boe Technology Group Co., Ltd.
41139
21
Saudi Arabian Oil Company
13155
21
Other owners 2996