B24B 27/0046
Column grinding machines
Official title: {Column grinding machines}
B24B27/0046 (Column grinding machines) appears on 34 US grants and 18 published applications in this corpus.
Search patents in B24B- Granted patents
- 34
- Published applications
- 18
- Assignees
- 25
- Inventors
- 59
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 3 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 3 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for applying a uniform texture to an aggregate surface11 Aug 2026US 12,703,056 B2Vertical Concrete Polishing Inc.
- Gin blade sharpening system and method of use30 Sep 2025US 12,427,593 B2
- Counterbalanced tire profile generating machine19 Sep 2023US 11,759,907 B2Akron Special Machinery, Inc.
- Workpiece grinding method28 Feb 2023US 11,590,630 B2Disco Corporation
- Device for removing burrs from aluminum alloy hub12 Jul 2022US 11,383,343 B2CITIC Dicastal Co., Ltd.
- Processing device28 Sep 2023US 2023/0302603 A1Tokyo Seimitsu Co., Ltd.
- Gin Blade Sharpening System and Method of Use1 Dec 2022US 2022/0379394 A1Ford Gin Services LLC
- Method and apparatus for applying a uniform texture to an aggregate surface4 Aug 2022US 2022/0241926 A1Vertical Concrete Polishing Inc.
- Workpiece grinding method20 Jan 2022US 2022/0016741 A1Disco Corporation
- Counterbalanced tire profile generating machine19 Mar 2020US 2020/0086448 A1Akron Special Machinery, Inc.
Most cited
By later US patents
- Lens grinding apparatus for grinding an eyeglass lens from a plurality of directions33US 5,716,256 ANidek Co., Ltd. · 1998
- Lens grinding apparatus33US 6,099,383 ANidek Co., Ltd. · 2000
- Dual column abrading machine23US 5,595,529 ASpeedfam Corporation · 1997
- Lens grinding apparatus having chamfering and other grinding wheels mounted on the same shaft21US 5,803,793 ANidek Co., Ltd. · 1998
- Lens grinding apparatus21US 6,336,057 B12002