B25D 2217/0049
Roll-shaped locking members
B25D2217/0049 (Roll-shaped locking members) appears on 33 US grants and 14 published applications in this corpus.
Search patents in B25D- Granted patents
- 33
- Published applications
- 14
- Assignees
- 14
- Inventors
- 61
- Latest grant
- 30 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 2 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 2 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Bit retention assembly for rotary hammer30 Mar 2021US 10,960,527 B2Milwaukee Electric Tool Corporation
- Bit retention assembly for rotary hammer30 May 2017US 9,662,778 B2Milwaukee Electric Tool Corporation
- Tool holder for a power tool, particularly for a chisel hammer and/or rotary hammer18 Mar 2014US 8,672,331 B2Robert Bosch GmbH
- Chuck5 May 2009US 7,527,272 B2Robert Bosch GmbH
- Shank for a rotary and/or percussion working tool20 May 2008US 7,374,375 B2Hilti Aktiengesellschaft
- Bit retention assembly for rotary hammer5 Oct 2017US 2017/0282345 A1Milwaukee Electric Tool Corporation
- Bit retention assembly for rotary hammer15 Aug 2013US 2013/0206436 A1Milwaukee Electric Tool Corporation
- Tool holder for a power tool, particularly for a chisel hammer and/or rotary hammer15 Jul 2010US 2010/0176561 A1Robert Bosch GmbH
- Hydraulic breaking hammer with lubricated implement guide sleeve29 Mar 2007US 2007/0068707 A1Atlas Copco Construction Tools AB
- Chuck22 Feb 2007US 2007/0040339 A1Robert Bosch GmbH
Most cited
By later US patents
- Hand-held tool with detachable tool bit chuck106US 4,824,298 AHilti Aktiengesellschaft · 1989
- Electropneumatic hammer drill or chipping hammer59US 4,529,044 AHilti Aktiengesellschaft · 1985
- Drill bit chuck for drilling and cutting devices57US 4,691,929 AHilti Aktiengesellschaft · 1987
- Tool holder device46US 4,491,444 AHilti Aktiengesellschaft · 1985
- Variably operable hand-held device41US 4,878,679 AHilti Aktiengesellschaft · 1989