B23B 29/03492
Boring and facing heads
Official title: {Boring and facing heads}
B23B29/03492 (Boring and facing heads) appears on 21 US grants and 11 published applications in this corpus.
Search patents in B23B- Granted patents
- 21
- Published applications
- 11
- Assignees
- 14
- Inventors
- 33
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tool cutting edge adjusting head, method of operating same and correcting tool cutting edge wear21 Jul 2026US 12,686,062 B2Blum-Novotest GmbH
- Contouring head25 Feb 2020US 10,569,341 B2Lintech
- Cutting tool4 Feb 2020US 10,549,353 B2Tungaloy Corporation
- Skiving tool26 Dec 2017US 9,849,492 B2Ecoroll AG Werkzeugtechnik
- Structured sliding surface of a bearing shell1 Nov 2016US 9,482,275 B2Federal-Mogul Wiesbaden GmbH
- Tool cutting edge adjusting head, method of operating same and correcting tool cutting edge wear8 Oct 2026US 2026/0307154 A1Blum-Novotest GmbH
- Cutting head lubrication mechanism25 Jul 2024US 2024/0246157 A1Seco Tools Tooling Systems
- Tool cutting edge adjusting head, method of operating same and correcting tool cutting edge wear6 Oct 2022US 2022/0314336 A1Blum-Novotest GmbH
- Contouring Head30 Jan 2020US 2020/0030890 A1Lintech
- Cutting tool15 Nov 2018US 2018/0326504 A1Tungaloy Corporation
Most cited
By later US patents
- Hydraulically actuated cutting tool14US 3,966,347 A1976
- Boring head with simultaneous clamping14US 5,909,986 AHeinz Kaiser AG · 1999
- Machining cross-feed head counterweight system13US 4,040,315 AThe Valeron Corporation · 1977
- Position drive, in particular for use in machine tools, and tool head having such a position drive13US 5,967,007 AKomet Praezisionswerkzeuge Robert Breuning GmbH · 1999
- Hydraulically actuated machine tool7US 3,937,586 A1976