B23B 45/048
Internal combustion piston engines
Official title: {Internal combustion piston engines}
B23B45/048 (Internal combustion piston engines) appears on 5 US grants and 6 published applications in this corpus.
Search patents in B23B- Granted patents
- 5
- Published applications
- 6
- Assignees
- 2
- Inventors
- 11
- Latest grant
- 30 Jul 2019
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 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Powered drill apparatus30 Jul 2019US 10,363,612 B2
- Electric mitre saw17 May 2016US 9,339,877 B2Sumec Hardware & Tools Co., Ltd.
- Portable, manually guided implement7 Sep 2004US 6,786,192 B2Andreas Stihl AG & CO.KG
- Portable handheld drilling machine having an internal combustion engine15 Oct 2002US 6,464,018 B1Andreas Stihl AG & CO.KG
- Piston engine powered rotary drive with mount and fuel container9 Nov 1976US 3,990,523 A
- Planetary transmission22 Mar 2018US 2018/0079064 A1
- Powered drill apparatus11 Feb 2016US 2016/0039013 A1
- Electric Mitre Saw18 Dec 2014US 2014/0366697 A1Sumec Hardware & Tools Co., Ltd.
- Portable drill having an internal combustion engine28 Feb 2008US 2008/0050188 A1
- Portable drill having an internal combustion engine25 Sep 2003US 2003/0178211 A1Andreas Stihl AG & CO.KG
Most cited
By later US patents
- Piston engine powered rotary drive with mount and fuel container11US 3,990,523 A1976
- Portable handheld drilling machine having an internal combustion engine6US 6,464,018 B1Andreas Stihl AG & CO.KG · 2002
- Electric mitre saw2US 9,339,877 B2Sumec Hardware & Tools Co., Ltd. · 2016
- Portable, manually guided implement1US 6,786,192 B2Andreas Stihl AG & CO.KG · 2004