A46D 1/0261
Roughness structure on the bristle surface
Official title: {Roughness structure on the bristle surface}
A46D1/0261 (Roughness structure on the bristle surface) appears on 39 US grants and 47 published applications in this corpus.
Search patents in A46D- Granted patents
- 39
- Published applications
- 47
- Assignees
- 24
- Inventors
- 64
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 3 |
| 2017 | 0 | 8 |
| 2018 | 3 | 6 |
| 2019 | 9 | 7 |
| 2020 | 7 | 4 |
| 2021 | 1 | 2 |
| 2022 | 2 | 3 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle washing system and method31 Mar 2026US 12,588,751 B2Smith Intellectual Property, LLC
- Cleaning bristle brushes and cleaning systems using same10 Dec 2024US 12,161,219 B2
- Heat brush with a bristle structure16 Jan 2024US 11,871,838 B2iBeauty Brands, Inc.
- Method for preparing porous antibacterial fiber brush26 Sep 2023US 11,766,114 B2Guangdong Newdermo Biotech Co., Ltd
- Wire-core applicator having multi-material bristles10 Jan 2023US 11,547,202 B2GEKA GmbH
- Cleaning brush for hull20 Feb 2025US 2025/0058362 A1Tas Global Co., Ltd.
- Heat brush with a bristle structure14 Nov 2024US 2024/0374023 A1iBeauty Brands, Inc.
- Vehicle washing system and method26 Jan 2023US 2023/0022443 A1
- Cleaning bristle brushes and cleaning systems and methods using same22 Dec 2022US 2022/0400844 A1
- Heat brush with a bristle structure4 Aug 2022US 2022/0240660 A1Sutra Beauty, Inc.
Most cited
By later US patents
- Device for applying a product and method for manufacturing device72US 6,669,389 B2L'oreal · 2003
- Bristles, method and device for production thereof and brushes50US 7,644,466 B2Geka Brush GmbH · 2010
- Oral care implement and filament for the same28US 10,244,857 B2Colgate-Palmolive Company · 2019
- Toothbrush with bristles having intermediate roughened portion21US 5,678,275 A1997
- Bristle, method for producing said bristle and a device with a bristle of this type15US 6,391,445 B1Pedex & Co. GmbH · 2002