B24B 19/20
Single-purpose machines or devices for particular grinding operations not covered by any
Official title: for grinding dies (for grinding walls of very fine holes B24B5/48)
B24B19/20 (Single-purpose machines or devices for particular grinding operations not covered by any) appears on 25 US grants and 9 published applications in this corpus.
Search patents in B24B- Granted patents
- 25
- Published applications
- 9
- Assignees
- 14
- Inventors
- 44
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Repair system for a surface of a workpiece15 Apr 2025US 12,275,106 B2ROLLS-ROYCE plc
- Apparatus for automatic manufacturing of wind turbine blades25 Feb 2025US 12,233,608 B2Gurit Tooling (Taicang) Co., Ltd.
- Inversion mount for mounting an inverted die grinder21 Nov 2023US 11,819,977 B2Toyota Motor Engineering & Manufacturing North America, Inc.
- Haircutting machine blade31 Dec 2019US D871,671 S1Design
- Slug retention groove forming machine and method of use and operation thereof14 May 2019US 10,286,515 B2DTC Products, Inc.
- Repair system for a surface of a workpiece13 Jun 2024US 2024/0189952 A1ROLLS-ROYCE plc
- Apparatus for Automatic Manufacturing of Wind Turbine Blades22 Dec 2022US 2022/0402219 A1Gurit Tooling (Taicang) Co., Ltd.
- Inversion mount for mounting an inverted die grinder6 Aug 2020US 2020/0246938 A1Toyota Motor Engineering & Manufacturing North America, Inc.
- Improved Slug Retention Groove Forming Machine and Method of Use and Operation Thereof2 Nov 2017US 2017/0312876 A1DTC Products, Inc.
- Slug Retention Groove Forming Machine And Method11 Feb 2016US 2016/0039065 A1DTC Products, Inc.
Most cited
By later US patents
- NC vertical spindle jig grinder21US 4,617,764 AExperimentalny Nauchno-Issledovatelsky Institut Metallorezhuschikh Stankov · 1986
- Coater die edge finishing method18US 5,851,137 AMinnesota Mining and Manufacturing Company · 1998
- Method for automatically exchanging polishing tools in mold polishing device18US 6,247,999 B1Koito Manufacturing Co., Ltd. · 2001
- Grinding robot16US 4,603,511 AAida Engineering, Ltd. · 1986
- Coater die grinding and finishing method15US 5,655,948 AMinnesota Mining and Manufacturing Company · 1997