B23B 31/001
Protection against entering of chips or dust
Official title: {Protection against entering of chips or dust}
B23B31/001 (Protection against entering of chips or dust) appears on 67 US grants and 42 published applications in this corpus.
Search patents in B23B- Granted patents
- 67
- Published applications
- 42
- Assignees
- 47
- Inventors
- 116
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 3 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 2 | 2 |
| 2008 | 0 | 3 |
| 2009 | 1 | 3 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 4 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 4 |
| 2016 | 1 | 1 |
| 2017 | 2 | 3 |
| 2018 | 5 | 3 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 5 |
| 2022 | 1 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Components of a machine tool for automated collet chuck maintenance and cleaning21 Jul 2026US 12,686,092 B2Schmoll Maschinen GmbH
- Dust protection cap with vibration decoupling9 Dec 2025US 12,491,566 B2Hilti Aktiengesellschaft
- Sealing lip on tool fitting28 Oct 2025US 12,454,015 B2Hilti Aktiengesellschaft
- Lathe5 Mar 2024US 11,919,095 B2Star Micronics Co., Ltd.
- Chuck for machine tool and sealing system10 Jan 2023US 11,548,076 B2Pratt & Whitney Canada Corp.
- Components of a Machine Tool for Automated Collet Chuck Maintenance and Cleaning1 Oct 2026US 2026/0295751 A1Schmoll Maschinen GmbH
- Components of a Machine Tool for Automated Collet Chuck Maintenance and Cleaning1 Jun 2023US 2023/0166373 A1Schmoll Maschinen GmbH
- Protective device for drill chuck having a mixed gasket with independent moving fins23 Mar 2023US 2023/0090197 A1Invnobel S A S
- Sealing lip on tool fitting10 Nov 2022US 2022/0355389 A1Hilti Aktiengesellschaft
- Dust-proof mechanism of chuck, and chuck16 Jun 2022US 2022/0184712 A1Howa Machinery, Ltd.
Most cited
By later US patents
- Dust guard cap for a hand-held drilling device66US 4,664,394 AHilti Aktiengesellschaft · 1987
- Pneumatically self-clearing chuck40US 5,580,197 A1996
- Chip-shedding hammer-drill chuck36US 4,695,066 A1987
- Tool holder36US 5,975,817 ABig Alpha Co., Inc. · 1999
- Removable nosepieces for chucks and similar tool holders35US 5,465,983 AJacobs Chuck Technology Corporation · 1995