B25D 2217/0023
Pistons
B25D2217/0023 (Pistons) appears on 54 US grants and 76 published applications in this corpus.
Search patents in B25D- Granted patents
- 54
- Published applications
- 76
- Assignees
- 28
- Inventors
- 149
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 0 |
| 2008 | 2 | 4 |
| 2009 | 0 | 4 |
| 2010 | 2 | 4 |
| 2011 | 2 | 4 |
| 2012 | 2 | 4 |
| 2013 | 0 | 3 |
| 2014 | 3 | 3 |
| 2015 | 5 | 3 |
| 2016 | 2 | 4 |
| 2017 | 2 | 3 |
| 2018 | 3 | 5 |
| 2019 | 4 | 4 |
| 2020 | 0 | 2 |
| 2021 | 5 | 3 |
| 2022 | 1 | 7 |
| 2023 | 4 | 3 |
| 2024 | 4 | 3 |
| 2025 | 4 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Linerbolt removal tool improvements8 Sep 2026US 12,728,513 B2Russell Mineral Equipment Pty Ltd
- Drive assembly for a power tool2 Jun 2026US 12,643,212 B2Milwaukee Electric Tool Corporation
- Power tool and hammer drill3 Jun 2025US 12,318,903 B2Nanjing Chervon Industry Co., Ltd.
- Hammer piston13 May 2025US 12,296,453 B2Caterpillar Inc.
- Impact mechanism for a hammer tool29 Apr 2025US 12,285,851 B2Snap-on Incorporated
- Drive assembly for a power tool1 Oct 2026US 2026/0295796 A1Milwaukee Electric Tool Corporation
- Electric needle scaler and tool holder14 May 2026US 2026/0131361 A1Makita Corporation
- Pneumatically operated percussive tool3 Jul 2025US 2025/0214217 A1G. A. W. Inc.
- Linerbolt Removal Tool Improvements5 Jun 2025US 2025/0178174 A1Russell Mineral Equipment Pty Ltd
- Power tool with hammer mechanism3 Apr 2025US 2025/0108496 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Hand-held power tool20US 7,121,360 B2Hilti Aktiengesellschaft · 2006
- Rotary hammer19US 6,237,699 B1Black & Decker Inc. · 2001
- Pneumatic percussive mechanism19US 6,799,644 B2Hilti Aktiengesellschaft · 2004
- Hand-held drill with a compressed air-operated hammer mechanism14US 6,209,659 B1Hilti Aktiengesellschaft · 2001
- Ram for powered hammer12US 7,445,054 B2Black & Decker Inc. · 2008