- All sections
- A - Human necessities
- A61C - Dentistry; apparatus or methods for oral or dental hygiene
- A61C 17/20 - Power-driven cleaning or polishing devices using ultrasonics
Patent holdings for IPC class A61C 17/20
Total number of patents in this class: 284
10-year publication summary
|
44
|
31
|
22
|
40
|
27
|
32
|
36
|
28
|
25
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonendo, Inc. | 155 |
19 |
| DENTSPLY International Inc. | 457 |
15 |
| DENTSPLY SIRONA Inc. | 1860 |
11 |
| Ferton Holding S.A. | 199 |
11 |
| Colgate-Palmolive Company | 5325 |
9 |
| Koninklijke Philips N.V. | 22975 |
9 |
| Endo Logic, LLC | 17 |
8 |
| Koninklijke Philips Electronics N.V. | 13133 |
7 |
| Societe pour La Conception des Applications des Techniques Electroniques | 29 |
6 |
| Guilin Woodpecker Medical Instrument Co., Ltd. | 75 |
5 |
| BLBR GmbH | 44 |
5 |
| U.S. Philips Corporation | 653 |
4 |
| Kaltenbach & Voigt GmbH | 73 |
4 |
| Nakanishi Inc. | 203 |
4 |
| Showa University | 46 |
4 |
| W & H Dentalwerk Bürmoos GmbH | 98 |
4 |
| Woodwelding AG | 199 |
4 |
| The Procter & Gamble Company | 22178 |
3 |
| eMag AG | 4 |
3 |
| Shanghai Shift Electrics Co., Ltd. | 61 |
3 |
| Other owners | 146 |