B25D 2250/185
Pressure equalising means between sealed chambers
B25D2250/185 (Pressure equalising means between sealed chambers) appears on 29 US grants and 34 published applications in this corpus.
Search patents in B25D- Granted patents
- 29
- Published applications
- 34
- Assignees
- 13
- Inventors
- 61
- Latest grant
- 3 Nov 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 3 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 6 |
| 2007 | 1 | 1 |
| 2008 | 5 | 5 |
| 2009 | 3 | 3 |
| 2010 | 2 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 0 |
| 2013 | 2 | 4 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 3 |
| 2019 | 1 | 1 |
| 2020 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Striking hand-held machine tool3 Nov 2020US 10,821,590 B2Hilti Aktiengesellschaft
- Striking hand-held machine tool9 Jun 2020US 10,675,742 B2Hilti Aktiengesellschaft
- Power tool17 Dec 2019US 10,507,570 B2Makita Corporation
- Power tool3 Jan 2017US 9,533,406 B2Makita Corporation
- Striking hand-held machine tool7 Feb 2019US 2019/0039225 A1Hilti Aktiengesellschaft
- Percussive power tool27 Dec 2018US 2018/0370007 A1Hilti Aktiengesellschaft
- Striking hand-held machine tool20 Dec 2018US 2018/0361551 A1Hilti Aktiengesellschaft
- Striking hand-held tool20 Dec 2018US 2018/0361552 A1Hilti Aktiengesellschaft
- Hand-held power tool gearbox closure and hand-held power tool30 Nov 2017US 2017/0341214 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Hammer46US 6,763,897 B2Black & Decker Inc. · 2004
- Power tool housing43US 7,331,408 B2Black & Decker Inc. · 2008
- Vibration reduction apparatus for power tool and power tool incorporating such apparatus30US 7,331,407 B2Black & Decker Inc. · 2008
- Rotary hammer25US 7,032,683 B2Milwaukee Electric Tool Corporation · 2006
- Impact tool20US 8,196,674 B2Makita Corporation · 2012