B25D 2250/035
Bleeding holes
Official title: Bleeding holes, e.g. in piston guide-sleeves
B25D2250/035 (Bleeding holes) appears on 61 US grants and 61 published applications in this corpus.
Search patents in B25D- Granted patents
- 61
- Published applications
- 61
- Assignees
- 15
- Inventors
- 119
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 4 |
| 2007 | 2 | 2 |
| 2008 | 2 | 6 |
| 2009 | 2 | 1 |
| 2010 | 3 | 3 |
| 2011 | 1 | 6 |
| 2012 | 1 | 3 |
| 2013 | 1 | 3 |
| 2014 | 3 | 3 |
| 2015 | 6 | 5 |
| 2016 | 4 | 4 |
| 2017 | 3 | 2 |
| 2018 | 3 | 3 |
| 2019 | 3 | 2 |
| 2020 | 6 | 2 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Percussion tool30 Sep 2025US 12,427,638 B2Milwaukee Electric Tool Corporation
- Power tool9 Apr 2024US 11,951,602 B2Milwaukee Electric Tool Corporation
- Handheld power tool23 Jan 2024US 11,878,401 B2Hilti Aktiengesellschaft
- Power tool5 Dec 2023US 11,833,652 B2Hilti Aktiengesellschaft
- Striking tool20 Dec 2022US 11,529,724 B2Makita Corporation
- Percussion tool3 Sep 2026US 2026/0257328 A1Milwaukee Electric Tool Corporation
- Guide tube for a power tool, power tool14 May 2026US 2026/0131444 A1Hilti Aktiengesellschaft
- Power tool27 Jun 2024US 2024/0208024 A1Milwaukee Electric Tool Corporation
- Percussion tool20 Jun 2024US 2024/0198505 A1Milwaukee Electric Tool Corporation
- Power Tool3 Aug 2023US 2023/0241751 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Hammer drill with an idling strike prevention mechanism57US 5,775,440 AMakita Corporation · 1998
- Hammer drill50US 5,111,890 ARobert Bosch GmbH · 1992
- Impact power tool47US 7,383,895 B2Makita Corporation · 2008
- Percussion hammer44US 5,456,324 AHitachi Koki Co., Ltd. · 1995
- Hammer drill42US 4,567,951 ARobert Bosch GmbH · 1986