B23B 2220/126
Producing ring grooves
B23B2220/126 (Producing ring grooves) appears on 37 US grants and 32 published applications in this corpus.
Search patents in B23B- Granted patents
- 37
- Published applications
- 32
- Assignees
- 20
- Inventors
- 59
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 4 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 2 | 3 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 2 | 3 |
| 2020 | 3 | 2 |
| 2021 | 0 | 1 |
| 2022 | 3 | 4 |
| 2023 | 1 | 1 |
| 2024 | 1 | 4 |
| 2025 | 2 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Precision freeform structuring for the fabrication of coded lenses5 May 2026US 12,617,020 B2Northwestern University
- Grooving tool3 Feb 2026US 12,539,548 B2Mitsubishi Materials Corporation
- Cutting tool assembly7 Oct 2025US 12,434,306 B2TaeguTec, Ltd.
- Boring tool holder and turning tool21 Jan 2025US 12,202,052 B2Sumitomo Electric Hardmetal Corp.
- Curved face grooving blade and face grooving holder therefor13 Feb 2024US 11,897,038 B2Iscar, Ltd.
- Heat-reducing grooving tool holders8 May 2025US 2025/0144724 A1
- Cutting tool22 Aug 2024US 2024/0278330 A1Tungaloy Corporation
- Cutting tool assembly11 Jul 2024US 2024/0227032 A9TaeguTec, Ltd.
- Cutting tool assembly25 Apr 2024US 2024/0131599 A1TaeguTec, Ltd.
- Cutting insert for recess machining, cutting insert kit having two such cutting inserts, cutting insert holder for such cutting inserts, and method for producing a recess18 Jan 2024US 2024/0017329 A1Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG
Most cited
By later US patents
- Cutting insert43US 5,975,812 AIscar, Ltd. · 1999
- Cutting tool assembly having an exchangeable adaptor with offset through bore axes36US 5,709,508 AIscar, Ltd. · 1998
- Face grooving tool27US 4,332,513 AGeneral Electric Company · 1982
- Cutting insert23US 5,156,502 AIscar, Ltd. · 1992
- High precision cutting tools19US 5,823,720 ABitmoore · 1998