B24B 9/00
Machines or devices designed for grinding edges or bevels on work or
Official title: Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor (B24B21/00 takes precedence; for sharpening cutting edges on tools B24B3/00; removing burrs by loose abrasive material B24B31/00)
B24B9/00 (Machines or devices designed for grinding edges or bevels on work or) appears on 1,890 US grants and 1,609 published applications in this corpus.
Search patents in B24B- Granted patents
- 1,890
- Published applications
- 1,609
- Assignees
- 799
- Inventors
- 3,229
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 22 | 0 |
| 1978 | 9 | 0 |
| 1979 | 10 | 0 |
| 1980 | 16 | 0 |
| 1981 | 12 | 0 |
| 1982 | 6 | 0 |
| 1983 | 13 | 0 |
| 1984 | 10 | 0 |
| 1985 | 25 | 0 |
| 1986 | 14 | 0 |
| 1987 | 28 | 0 |
| 1988 | 25 | 0 |
| 1989 | 27 | 0 |
| 1990 | 25 | 0 |
| 1991 | 40 | 0 |
| 1992 | 42 | 0 |
| 1993 | 15 | 0 |
| 1994 | 29 | 0 |
| 1995 | 35 | 0 |
| 1996 | 37 | 0 |
| 1997 | 35 | 0 |
| 1998 | 34 | 0 |
| 1999 | 47 | 0 |
| 2000 | 51 | 0 |
| 2001 | 74 | 20 |
| 2002 | 46 | 65 |
| 2003 | 57 | 68 |
| 2004 | 48 | 51 |
| 2005 | 58 | 51 |
| 2006 | 53 | 68 |
| 2007 | 45 | 85 |
| 2008 | 40 | 80 |
| 2009 | 35 | 77 |
| 2010 | 36 | 63 |
| 2011 | 35 | 59 |
| 2012 | 49 | 57 |
| 2013 | 55 | 61 |
| 2014 | 46 | 74 |
| 2015 | 63 | 75 |
| 2016 | 67 | 57 |
| 2017 | 51 | 73 |
| 2018 | 62 | 83 |
| 2019 | 63 | 93 |
| 2020 | 58 | 62 |
| 2021 | 39 | 54 |
| 2022 | 41 | 42 |
| 2023 | 32 | 50 |
| 2024 | 53 | 53 |
| 2025 | 45 | 50 |
| 2026 | 19 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B24B 9/02Machines or devices designed for grinding edges or bevels on work or1,624
- B24B 9/007Machines or devices designed for grinding edges or bevels on work or87
- B24B 9/002Machines or devices designed for grinding edges or bevels on work or47
- B24B 9/005Machines or devices designed for grinding edges or bevels on work or15
Recent patents
- Polishing apparatus and polishing method8 Sep 2026US 12,728,495 B2Ebara Corporation
- Gemstone cut analysis8 Sep 2026US 12,731,326 B2Gemological Institute of America, Inc. (GIA)
- Method for manufacturing a glass wafer of high quality, glass wafer, glass part element, stack, augmented reality device and use21 Jul 2026US 12,686,094 B2SCHOTT Glass Technologies (Suzhou) Co. Ltd.
- Non-transitory computer-readable storage medium and state management method7 Jul 2026US 12,673,394 B2Nidek Co., Ltd.
- Unit for deburring and rounding edges in a surface grinding machine30 Jun 2026US 12,667,928 B2Karl Heesemann Maschinenfabrik GmbH & Co. KG
- Tool for conduits10 Sep 2026US 2026/0264188 A1
- Semiconductor wafer grinding device and grinding method10 Sep 2026US 2026/0264189 A1Tokyo Seimitsu Co., Ltd.
- Method and device for centering an ophthalmic lens10 Sep 2026US 2026/0267162 A1Essilor International
- Grinding device and semiconductor device manufacturing method10 Sep 2026US 2026/0271646 A1Kioxia Corporation
- Flexible finishing station for brake pads and method thereof27 Aug 2026US 2026/0249414 A1ITT Italia S.r.l.
Most cited
By later US patents
- Mirror assembly for vehicle178US 8,508,831 B2Magna Mirrors of America, Inc. · 2013
- Apparatus and method for chamfering wafer130US 6,267,648 B1Tokyo Seimitsu Co., Ltd. · 2001
- Lapping apparatus and method for high speed lapping with a rotatable abrasive platen113US 6,149,506 AKeltech Engineering · 2000
- Raised island abrasive, method of use and lapping apparatus111US 6,769,969 B1Keltech Engineering · 2004
- Apparatus for processing the edge of ophthalmic lenses103US 5,615,588 AWernicke & Co. GmbH · 1997