B24B 23/00
Portable grinding machines
Official title: Portable grinding machines, e.g. hand-guided; Accessories therefor (B24B7/18 takes precedence; for grinding seat surfaces B24B15/00; having a flexible shaft B24B27/027; grinders for cutting-off B24B27/08; dust extraction equipment B24B55/10; details or components, e.g. casings, bodies of portable power-driven tools not particularly related to the operation performed B25F5/00)
B24B23/00 (Portable grinding machines) appears on 2,080 US grants and 2,015 published applications in this corpus.
Search patents in B24B- Granted patents
- 2,080
- Published applications
- 2,015
- Assignees
- 559
- Inventors
- 3,215
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 7 | 0 |
| 1978 | 24 | 0 |
| 1979 | 15 | 0 |
| 1980 | 10 | 0 |
| 1981 | 10 | 0 |
| 1982 | 8 | 0 |
| 1983 | 19 | 0 |
| 1984 | 21 | 0 |
| 1985 | 15 | 0 |
| 1986 | 17 | 0 |
| 1987 | 10 | 0 |
| 1988 | 23 | 0 |
| 1989 | 17 | 0 |
| 1990 | 23 | 0 |
| 1991 | 30 | 0 |
| 1992 | 18 | 0 |
| 1993 | 22 | 0 |
| 1994 | 30 | 0 |
| 1995 | 25 | 0 |
| 1996 | 29 | 0 |
| 1997 | 39 | 0 |
| 1998 | 43 | 0 |
| 1999 | 41 | 0 |
| 2000 | 47 | 0 |
| 2001 | 53 | 14 |
| 2002 | 44 | 55 |
| 2003 | 42 | 56 |
| 2004 | 54 | 62 |
| 2005 | 52 | 61 |
| 2006 | 54 | 55 |
| 2007 | 44 | 56 |
| 2008 | 24 | 73 |
| 2009 | 29 | 67 |
| 2010 | 33 | 68 |
| 2011 | 40 | 62 |
| 2012 | 55 | 62 |
| 2013 | 55 | 66 |
| 2014 | 58 | 96 |
| 2015 | 63 | 80 |
| 2016 | 75 | 58 |
| 2017 | 61 | 112 |
| 2018 | 65 | 116 |
| 2019 | 93 | 120 |
| 2020 | 97 | 102 |
| 2021 | 80 | 106 |
| 2022 | 59 | 110 |
| 2023 | 70 | 108 |
| 2024 | 89 | 99 |
| 2025 | 79 | 85 |
| 2026 | 53 | 66 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B24B 23/02Portable grinding machines: with rotating grinding tools1,323
- B24B 23/04Portable grinding machines: with oscillating grinding tools481
- B24B 23/005Auxiliary devices used in connection with portable grinding machines207
- B24B 23/06Portable grinding machines: with abrasive belts120
- B24B 23/08Portable grinding machines designed for fastening on workpieces or other parts of108
Recent patents
- Power tool6 Oct 2026US 12,752,345 B2Robert Bosch GmbH
- Foam removal attachment29 Sep 2026US 12,746,555 B2Rock Road Company Sales, LLC
- Fluid dispensing device with coupling to power-driven turning tools and turning tool comprising the same29 Sep 2026US 12,746,630 B2
- Road-rail dual purpose quick disassembly and assembly type rail grinding maintenance robot29 Sep 2026US 12,746,634 B2Beijing Jiaotong University
- Power tool with operation assembly29 Sep 2026US 12,746,635 B2Makita Corporation
- Sanding pad having a sealing element and a rib structure, and sanding machine8 Oct 2026US 2026/0307197 A1Festool GmbH
- Inline Cut-Off Tool8 Oct 2026US 2026/0307198 A1Black & Decker Inc.
- Power tool1 Oct 2026US 2026/0295804 A1Makita Corporation
- High power grinding tool1 Oct 2026US 2026/0302972 A1Black & Decker Inc.
- Abrasive stick and polishing method24 Sep 2026US 2026/0286180 A1Taimei Chemicals Co., Ltd.
Most cited
By later US patents
- Controlled electro-pneumatic power tools and interactive consumable1,078US 9,061,392 B22015
- Hand tool machine having an oscillatory drive880US 8,397,832 B2C. & E. Fein GmbH · 2013
- Power tool with separate motor case compartment614US 10,404,136 B2Black & Decker Inc. · 2019
- Manual tool for removing material from brittle and/or non-ductile stock416US 5,733,074 AHilti Aktiengesellschaft · 1998
- Random orbit sander having braking member130US 5,392,568 ABlack & Decker Inc. · 1995