B24D 11/04
Zonally-graded surfaces
B24D11/04 (Zonally-graded surfaces) appears on 86 US grants and 93 published applications in this corpus.
Search patents in B24D- Granted patents
- 86
- Published applications
- 93
- Assignees
- 45
- Inventors
- 235
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 5 |
| 2002 | 2 | 2 |
| 2003 | 4 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 3 |
| 2013 | 2 | 1 |
| 2014 | 3 | 7 |
| 2015 | 3 | 6 |
| 2016 | 6 | 9 |
| 2017 | 2 | 8 |
| 2018 | 4 | 7 |
| 2019 | 6 | 12 |
| 2020 | 5 | 6 |
| 2021 | 9 | 4 |
| 2022 | 4 | 2 |
| 2023 | 7 | 4 |
| 2024 | 5 | 3 |
| 2025 | 1 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite abrasive paper6 Oct 2026US 12,752,399 B2Shaoxing Ziyuan Polishing Co., Ltd.
- Abrasive vitrified agglomerate disc with porous islands30 Jun 2026US 12,667,935 B1Keltech Engineering
- Texture pattern for abrasive tool10 Jun 2025US 12,325,107 B2
- Abrasive particles having particular shapes and methods of forming such particles22 Oct 2024US 12,122,017 B2Saint-Gobain Abrasifs
- Method for machining a workpiece in the production of an optical element14 May 2024US 11,980,990 B2Carl Zeiss SMT GmbH
- Membrane, chemical mechanical polishing apparatus including the same, and substrate polishing method using the same23 Jul 2026US 2026/0208321 A1Samsung Electronics Co., Ltd.
- Abrasive particles having particular shapes and methods of forming such particles23 Jan 2025US 2025/0025988 A1Saint-Gobain Abrasifs
- Composite abrasive paper8 Aug 2024US 2024/0261937 A1Shaoxing Ziyuan Polishing Co., Ltd.
- Abrasive articles and methods of forming same4 Jul 2024US 2024/0218224 A1Saint-Gobain Abrasifs
- Methods and precursor formulations for forming advanced polishing pads by use of an additive manufacturing process18 Apr 2024US 2024/0123568 A1APPLIED Materials.Inc.
Most cited
By later US patents
- Patterned coated abrasive for fine surface finishing270US 5,014,468 ANorton Company · 1991
- Coated abrasive product incorporating selective mineral substitution165US 4,734,104 AMinnesota Mining and Manufacturing Company · 1988
- Production of patterned abrasive surfaces157US 5,863,306 ANorton Company · 1999
- Abrasive article and method of making such article147US 6,277,160 B13M Innovative Properties Company · 2001
- Polishing pads and planarizing machines for mechanical and/or chemical-mechanical planarization of microelectronic substrate assemblies146US 6,328,632 B1Micron Technology, Inc. · 2001