B24B 19/22
Single-purpose machines or devices for particular grinding operations not covered by any
Official title: characterised by a special design with respect to properties of the material of non-metallic articles to be ground
B24B19/22 (Single-purpose machines or devices for particular grinding operations not covered by any) appears on 379 US grants and 255 published applications in this corpus.
Search patents in B24B- Granted patents
- 379
- Published applications
- 255
- Assignees
- 216
- Inventors
- 696
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 8 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 12 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 12 | 0 |
| 1995 | 13 | 0 |
| 1996 | 13 | 0 |
| 1997 | 14 | 0 |
| 1998 | 16 | 0 |
| 1999 | 6 | 0 |
| 2000 | 16 | 0 |
| 2001 | 17 | 6 |
| 2002 | 17 | 18 |
| 2003 | 18 | 36 |
| 2004 | 27 | 28 |
| 2005 | 15 | 9 |
| 2006 | 9 | 9 |
| 2007 | 6 | 6 |
| 2008 | 4 | 8 |
| 2009 | 7 | 5 |
| 2010 | 2 | 6 |
| 2011 | 6 | 9 |
| 2012 | 4 | 8 |
| 2013 | 6 | 5 |
| 2014 | 5 | 6 |
| 2015 | 6 | 14 |
| 2016 | 8 | 5 |
| 2017 | 6 | 11 |
| 2018 | 3 | 10 |
| 2019 | 7 | 5 |
| 2020 | 6 | 7 |
| 2021 | 6 | 13 |
| 2022 | 7 | 10 |
| 2023 | 8 | 4 |
| 2024 | 5 | 6 |
| 2025 | 6 | 5 |
| 2026 | 0 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing stable-phase crystals using physical grinding8 Jul 2025US 12,350,782 B2University-Industry Cooperation Group of Kyung Hee University
- Method and apparatus for forming a convex end face in a ferrule27 May 2025US 12,311,492 B2Corning Research & Development Corporation
- Multi-fiber fiber optic ferrule polishing systems and methods22 Apr 2025US 12,280,467 B1Legrand DPC, LLC
- Optical fiber polisher with controlled platen stopping position8 Apr 2025US 12,271,039 B2Domaille Engineering, LLC
- Concentrated liquid of polishing composition and polishing method using same1 Apr 2025US 12,264,265 B2Fujimi Incorporated
- Precision-Controlled Surface Grinding System for Optical Fiber Lens Shaping27 Aug 2026US 2026/0249413 A1
- Method for Precision Clamp and Alignment of Optical Fibers During Lens Grinding Operations27 Aug 2026US 2026/0249423 A1
- Automatic grinding line for grinding mpo optical fiber jumper7 May 2026US 2026/0124710 A1Phoenix GT Technology (Shenzhen) Co., Ltd
- Polishing media assembly for fiber optic polishing machine9 Apr 2026US 2026/0097462 A1Domaille Engineering, LLC
- Additive tooling5 Mar 2026US 2026/0061543 A1Kennametal Inc.
Most cited
By later US patents
- Tool for finishing terminated fiber optic cable108US 5,321,917 AThe Whitaker Corporation · 1994
- Adaptors for a device for cleaning and polishing an optical fiber84US 5,557,696 A1996
- Ferrule cleaning rod and method of use80US 5,925,191 A1999
- Polishing machine for ferrule of optical fiber connector78US 4,839,993 AFujisu Limited · 1989
- Optical fiber connector ferrule with die and method of manufacturing same75US 5,815,621 ASumitomo Electric Industries, Ltd. · 1998