F23K 3/12
Feeding by piston
Official title: feeding by piston
F23K3/12 (Feeding by piston) appears on 5 US grants and 2 published applications in this corpus.
Search patents in F23K- Granted patents
- 5
- Published applications
- 2
- Assignees
- 3
- Inventors
- 6
- Latest grant
- 30 Jun 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for conveying fuels into a gasification reactor30 Jun 2020US 10,696,912 B2Care Beteiligungsverwaltung GmbH
- Boiler using a solid granulated fuel2 Oct 1984US 4,474,117 A
- Ash removal system and heating mechanism for wood waste burners24 May 1983US 4,384,534 AEnterprises International, Inc.
- Method and means for burning corncobs and corn20 May 1980US 4,203,374 A
- Wood-fired furnace assembly with automatic fire chamber charger29 Jan 1980US 4,185,567 A
Most cited
By later US patents
- Method and means for burning corncobs and corn15US 4,203,374 A1980
- Boiler using a solid granulated fuel8US 4,474,117 A1984
- Wood-fired furnace assembly with automatic fire chamber charger6US 4,185,567 A1980
- Ash removal system and heating mechanism for wood waste burners5US 4,384,534 AEnterprises International, Inc. · 1983