F23G 2205/18
Waste feed arrangements: using airlock systems
Official title: using airlock systems
F23G2205/18 (Waste feed arrangements: using airlock systems) appears on 75 US grants and 54 published applications in this corpus.
Search patents in F23G- Granted patents
- 75
- Published applications
- 54
- Assignees
- 69
- Inventors
- 171
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 2 |
| 2005 | 4 | 5 |
| 2006 | 1 | 4 |
| 2007 | 2 | 3 |
| 2008 | 4 | 4 |
| 2009 | 0 | 5 |
| 2010 | 5 | 3 |
| 2011 | 3 | 5 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 0 |
| 2016 | 2 | 3 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Char collector18 Aug 2026US 12,710,174 B2Scanship AS
- Infeed system for hydrolyzer6 May 2025US 12,290,847 B2Bouldin Corporation
- Method and facility for incinerating, melting and vitrifying organic and metal waste16 Apr 2019US 10,262,765 B2Orano Cycle
- Solid fuel skewer suspension burning system10 Oct 2017US 9,784,502 B2AFS Technology, LLC
- Furnace apparatus13 Dec 2016US 9,518,733 B1
- Infeed system for hydrolyzer17 Jul 2025US 2025/0229307 A1Bouldin Corporation
- Infeed system for hydrolyzer26 Sep 2024US 2024/0316607 A1Bouldin Corporation
- Biogenic Refinery with SCR System Using Urea Extracted from Feedstock14 Mar 2024US 2024/0082784 A1DYPER Inc.
- Char collector15 Feb 2024US 2024/0053005 A1Scanship AS
- Three step ultra-compact plasma system for the high temperature treatment of waste onboard ships24 Feb 2022US 2022/0057085 A1Pyrogenesis Canada Inc.
Most cited
By later US patents
- Plasma pyrolysis and vitrification of municipal waste38US 5,544,597 APlasma Technology, Inc. · 1996
- Pollution-free, resource recovery, garbage disposal/fuel burning plant37US 4,829,911 A1989
- System and method for thermally reducing solid and liquid waste and for recovering waste heat34US 6,758,150 B2Energy Associates International, LLC · 2004
- Method and apparatus for treating waste34US 6,971,323 B2PEAT International, Inc. · 2005
- Process for plasma pyrolysis and vitrification of municipal waste33US 5,634,414 APlasma Technology, Inc. · 1997