- All sections
- B - Performing operations; transporting
- B08B - Cleaning in general; prevention of fouling in general
- B08B 1/04 - Cleaning by methods involving the use of tools, brushes, or analogous members using rotary operative members
Patent holdings for IPC class B08B 1/04
Total number of patents in this class: 992
10-year publication summary
|
62
|
78
|
103
|
113
|
154
|
128
|
114
|
114
|
103
|
34
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 1951 |
57 |
| LG Electronics Inc. | 69257 |
22 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
22 |
| Illinois Tool Works Inc. | 11152 |
18 |
| Screen Holdings Co., Ltd. | 2431 |
17 |
| Nippon Electric Glass Co., Ltd. | 2299 |
13 |
| The Boeing Company | 19843 |
12 |
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| Applied Materials, Inc. | 16587 |
11 |
| Entegris, Inc. | 1736 |
11 |
| Tokyo Electron Limited | 11599 |
10 |
| Piston Opw, Inc. | 108 |
10 |
| Belanger, Inc. | 115 |
9 |
| Miraikikai, Inc. | 12 |
9 |
| Saudi Arabian Oil Company | 11322 |
9 |
| AION Co., Ltd. | 30 |
8 |
| Global Plasma Solutions, Inc. | 68 |
8 |
| Hewlett-Packard Development Company, L.P. | 28538 |
7 |
| Boe Technology Group Co., Ltd. | 35384 |
7 |
| Waymo LLC | 2816 |
7 |
| Other owners | 714 |