B24B 19/16
Single-purpose machines or devices for particular grinding operations not covered by any
Official title: for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli (grinding bevels on diamonds or sapphires B24B9/16; polishing of needles B24B29/08)
B24B19/16 (Single-purpose machines or devices for particular grinding operations not covered by any) appears on 193 US grants and 112 published applications in this corpus.
Search patents in B24B- Granted patents
- 193
- Published applications
- 112
- Assignees
- 104
- Inventors
- 313
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 2 |
| 2003 | 5 | 7 |
| 2004 | 3 | 5 |
| 2005 | 5 | 10 |
| 2006 | 3 | 5 |
| 2007 | 7 | 4 |
| 2008 | 5 | 9 |
| 2009 | 5 | 5 |
| 2010 | 5 | 6 |
| 2011 | 0 | 4 |
| 2012 | 3 | 6 |
| 2013 | 5 | 6 |
| 2014 | 10 | 5 |
| 2015 | 4 | 6 |
| 2016 | 5 | 2 |
| 2017 | 4 | 2 |
| 2018 | 1 | 4 |
| 2019 | 1 | 2 |
| 2020 | 4 | 4 |
| 2021 | 2 | 5 |
| 2022 | 1 | 3 |
| 2023 | 6 | 1 |
| 2024 | 4 | 3 |
| 2025 | 2 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tool for holding a tungsten electrode during sharpening17 Feb 2026US 12,551,965 B2
- Test device and probe polishing method25 Mar 2025US 12,259,419 B2Tokyo Electron Limited
- Trocar needle grinder18 Feb 2025US 12,226,871 B2Royal Master Grinders, Inc.
- Methods and systems for processing one or more integrated circuit probes3 Sep 2024US 12,076,833 B2Nidec SV Probe Pte. Ltd.
- Drill and method for producing a drill20 Aug 2024US 12,064,819 B2Kennametal Inc.
- Needle Grinder System30 Jul 2026US 2026/0216835 A1Royal Master Grinders, Inc.
- Tool for holding a tungsten electrode during sharpening19 Feb 2026US 2026/0048467 A1
- Needle Grinder12 Jun 2025US 2025/0187139 A1Royal Master Grinders, Inc.
- Grinding welding electrodes8 May 2025US 2025/0144762 A1Matuschek Messtechnik GmbH
- Trocar Needle Grinder8 May 2025US 2025/0144769 A1Royal Master Grinders, Inc.
Most cited
By later US patents
- Medical hollow needle and a method of producing thereof148US 5,575,780 A1996
- Five beveled point geometry for a hypodermic needle116US 5,752,942 ABecton, Dickinson and Company · 1998
- Medical hollow needle and method of production103US 5,968,022 A1999
- Suture needle and method of producing same85US 5,178,628 AMatsutani Seisakusho Co., Ltd. · 1993
- Method and apparatus for probe tip cleaning and shaping pad66US 6,908,364 B2Kulicke and Soffa Industries, Inc. · 2005