B24B 7/224
Portal grinding machines
Official title: {Portal grinding machines; Machines having a tool movable in a plane}
B24B7/224 (Portal grinding machines) appears on 20 US grants and 14 published applications in this corpus.
Search patents in B24B- Granted patents
- 20
- Published applications
- 14
- Assignees
- 17
- Inventors
- 39
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 3 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Floor machine with attachment system4 Mar 2025US 12,239,271 B1Square Scrub Holdings, LLC
- Device for cutting connection of multi-piece module electrode19 Mar 2024US 11,931,852 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Machine and method for grinding and/or polishing slabs of stone material, such as natural or agglomerated stone, ceramic and glass16 May 2023US 11,648,636 B2Breton SPA
- Floor grinding machine, method of operating floor grinding machine13 Sep 2022US 11,440,155 B2Husqvarna AB
- Method and apparatus for leveling and grinding surfaces7 Jun 2022US 11,351,649 B2
- A tool wear indicator for concrete surface processing equipment15 Aug 2024US 2024/0269800 A1
- Method for mechanical treatment of a concrete floor18 Jul 2024US 2024/0238933 A1Concria Oy
- Device for cutting connection of multi-piece module electrode16 Nov 2023US 2023/0364730 A1Guangdong Brunp Recycling Technology Co., Ltd.
- Machining apparatus6 Apr 2023US 2023/0103899 A1Towa Corporation
- Machine and method for grinding and/or polishing slabs of stone material, such as natural or agglomerated stone, ceramic and glass16 Jan 2020US 2020/0016718 A1Breton SPA
Most cited
By later US patents
- Dual column abrading machine23US 5,595,529 ASpeedfam Corporation · 1997
- Dual column abrading machine14US 5,782,678 ASpeedfam Corporation · 1998
- Milling, surfacing and polishing machine with automatic tool change and corresponding device13US 5,478,271 AThibaut · 1995
- Production of polished flat glass9US 4,833,832 A1989
- Dual column abrading machine8US 5,803,798 ASpeedfam Corporation · 1998