B24B 7/00
Machines or devices designed for grinding plane surfaces on work, including polishing
Official title: Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor (B24B21/00 takes precedence; honing of plane surfaces on work B24B33/055)
B24B7/00 (Machines or devices designed for grinding plane surfaces on work, including polishing) appears on 1,984 US grants and 2,049 published applications in this corpus.
Search patents in B24B- Granted patents
- 1,984
- Published applications
- 2,049
- Assignees
- 968
- Inventors
- 4,154
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 11 | 0 |
| 1978 | 2 | 0 |
| 1979 | 7 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 9 | 0 |
| 1983 | 7 | 0 |
| 1984 | 16 | 0 |
| 1985 | 8 | 0 |
| 1986 | 16 | 0 |
| 1987 | 22 | 0 |
| 1988 | 29 | 0 |
| 1989 | 22 | 0 |
| 1990 | 26 | 0 |
| 1991 | 20 | 0 |
| 1992 | 24 | 0 |
| 1993 | 22 | 0 |
| 1994 | 19 | 0 |
| 1995 | 21 | 0 |
| 1996 | 30 | 0 |
| 1997 | 39 | 0 |
| 1998 | 33 | 0 |
| 1999 | 49 | 0 |
| 2000 | 48 | 0 |
| 2001 | 56 | 30 |
| 2002 | 67 | 48 |
| 2003 | 40 | 61 |
| 2004 | 47 | 65 |
| 2005 | 50 | 51 |
| 2006 | 61 | 52 |
| 2007 | 41 | 73 |
| 2008 | 35 | 66 |
| 2009 | 40 | 80 |
| 2010 | 37 | 77 |
| 2011 | 50 | 68 |
| 2012 | 52 | 49 |
| 2013 | 51 | 78 |
| 2014 | 50 | 70 |
| 2015 | 58 | 80 |
| 2016 | 64 | 66 |
| 2017 | 55 | 78 |
| 2018 | 56 | 92 |
| 2019 | 76 | 101 |
| 2020 | 70 | 96 |
| 2021 | 53 | 110 |
| 2022 | 66 | 108 |
| 2023 | 70 | 122 |
| 2024 | 82 | 136 |
| 2025 | 90 | 121 |
| 2026 | 54 | 71 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B24B 7/20Machines or devices designed for grinding plane surfaces on work, including polishing1,050
- B24B 7/10Single-purpose machines or devices900
- B24B 7/04Involving a rotary work-table90
- B24B 7/06Involving conveyor belts, a sequence of travelling work-tables or the like64
- B24B 7/07Involving a stationary work-table50
- B24B 7/02Involving a reciprocatingly-moved work-table38
- B24B 7/005Portal grinding machines32
Recent patents
- Wafer grinding method6 Oct 2026US 12,752,389 B2Disco Corporation
- Polishing method for gallium nitride wafer6 Oct 2026US 12,757,663 B2Disco Corporation
- Apparatus and methods for chemical mechanical polishing29 Sep 2026US 12,746,636 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Chemical mechanical planarization polishing for shallow trench isolation29 Sep 2026US 12,751,256 B2Versum Materials US, LLC
- Coating removal apparatus and method22 Sep 2026US 12,741,353 B2Yield Engineering Systems, Inc.
- Polishing device1 Oct 2026US 2026/0295765 A1Ebara Corporation
- Workpiece processing method and semiconductor device manufacturing method24 Sep 2026US 2026/0293562 A1Disco Corporation
- Grinding system and method of grinding semiconductor structure24 Sep 2026US 2026/0293577 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Flat grinding machine with laser position measurement in the longitudinal axis17 Sep 2026US 2026/0273689 A1Ziersch GmbH
- A vibrating machine conducting fine sanding with at least one detector unit3 Sep 2026US 2026/0257315 A1Karabudak MüHendislik Makina Imalat Sanayi Ltd.Sti.
Most cited
By later US patents
- Method of modifying an exposed surface of a semiconductor wafer335US 5,958,794 AMinnesota Mining and Manufacturing Company · 1999
- Method and apparatus for mechanical planarization and endpoint detection of a semiconductor wafer332US 5,081,796 AMicron Technology, Inc. · 1992
- Metal bond abrasive article comprising porous ceramic abrasive composites and method of using same to abrade a workpiece270US 6,319,108 B13M Innovative Properties Company · 2001
- Polishing pad with uniform abrasion215US 5,020,283 AMicron Technology, Inc. · 1991
- Polishing pad205US 5,177,908 AMicron Technology, Inc. · 1993