B24D 7/14
Zonally-graded wheels
Official title: Zonally-graded wheels; Composite wheels comprising different abrasives
B24D7/14 (Zonally-graded wheels) appears on 113 US grants and 117 published applications in this corpus.
Search patents in B24D- Granted patents
- 113
- Published applications
- 117
- Assignees
- 93
- Inventors
- 263
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 3 |
| 2002 | 6 | 5 |
| 2003 | 3 | 1 |
| 2004 | 1 | 2 |
| 2005 | 4 | 7 |
| 2006 | 2 | 9 |
| 2007 | 7 | 10 |
| 2008 | 3 | 5 |
| 2009 | 3 | 5 |
| 2010 | 4 | 4 |
| 2011 | 5 | 3 |
| 2012 | 3 | 4 |
| 2013 | 2 | 3 |
| 2014 | 2 | 5 |
| 2015 | 4 | 5 |
| 2016 | 4 | 5 |
| 2017 | 3 | 5 |
| 2018 | 4 | 5 |
| 2019 | 4 | 11 |
| 2020 | 4 | 4 |
| 2021 | 4 | 3 |
| 2022 | 3 | 6 |
| 2023 | 6 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Grind wheel design for low edge-roll grinding27 Jan 2026US 12,533,767 B2Wolfspeed, Inc.
- Grinding and/or cutting tool and method for grinding and/or cutting6 Jan 2026US 12,515,298 B2Gerima Holding GmbH
- Reciprocal segment abrasive cutting tool18 Mar 2025US 12,251,792 B2Dixie Diamond Manufacturing, Inc.
- Dynamic regulation of contact pressures in a blade sharpening system5 Dec 2023US 11,833,704 B2Fuzion LLC
- Abrasive article and method of making the same28 Nov 2023US 11,826,883 B2Innovative Properties Company
- Superhard material abrasive tool and grinding process for difficult-to-machine materials18 Jun 2026US 2026/0166679 A1Guilin Champion Union Diamond Co., Ltd.
- Grind Wheel Design for Low Edge-Roll Grinding28 May 2026US 2026/0145290 A1Wolfspeed, Inc.
- System and Method for a Grinding Wheel13 Nov 2025US 2025/0345898 A1Southland Welding Sales, Inc.
- Grind Wheel Design for Low Edge-Roll Grinding11 Sep 2025US 2025/0282016 A1Wolfspeed, Inc.
- Grinding wheel and grinding method20 Jun 2024US 2024/0198489 A1Disco Corporation
Most cited
By later US patents
- Abrasive cutter containing diamond particles and a method for producing the cutter93US 6,238,280 B1Hilti Aktiengesellschaft · 2001
- Method for making a sintered article and products produced thereby90US 6,453,899 B1Ultimate Abrasive Systems, L.L.C. · 2002
- Grinding wheel having abrasive tips83US 5,782,682 AEhwa Diamond Ind. Co., Ltd. · 1998
- Lapping apparatus and method for high speed lapping with a rotatable abrasive platen77US 6,102,777 AKeltech Engineering · 2000
- Variable abrasive polishing pad for mechanical and chemical-mechanical planarization72US 6,062,958 AMicron Technology, Inc. · 2000