F23D 11/08
Using a vertical shaft
Official title: using a vertical shaft
F23D11/08 (Using a vertical shaft) appears on 10 US grants and 3 published applications in this corpus.
Search patents in F23D- Granted patents
- 10
- Published applications
- 3
- Assignees
- 4
- Inventors
- 5
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 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 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus, system and method for pyrolysing and combusting a material24 Jun 2025US 12,338,994 B2Eco-Global Energy Pty Limited
- Airblast injector for a gas turbine engine9 Feb 2021US 10,914,237 B2
- Electric motor assisted airblast injector16 Jan 2018US 9,869,251 B2Dyc Turbines, LLC
- Fuel gasifying burner9 May 1989US 4,828,975 ADowa Co., Ltd.
- Fuel gasifying burner21 Mar 1989US 4,813,865 ADowa Co., Ltd.
- An apparatus, system and method for pyrolysing and combusting a material11 Aug 2022US 2022/0252260 A1Eco-Global Energy Pty Limited
- Airblast injector for a gas turbine engine12 Jul 2018US 2018/0195439 A1Dyc Turbines, LLC
- Electric motor assisted airblast injector27 Oct 2016US 2016/0312708 A1Dyc Turbines, LLC
Most cited
By later US patents
- Rotating cup fuel injector13US 3,933,133 AInternational Harvester Company · 1976
- Gasified liquid fuel burner7US 4,113,421 ADowa Co., Ltd. · 1978
- Fuel gasifying burner3US 4,516,931 ADowa Co., Ltd. · 1985
- Electric motor assisted airblast injector3US 9,869,251 B2Dyc Turbines, LLC · 2018
- Liquid fuel gasifying burner1US 4,386,905 ADowa Co., Ltd. · 1983