F27D 17/30
Arrangements for extraction or collection of waste gases
Official title: Arrangements for extraction or collection of waste gases; Hoods therefor
F27D17/30 (Arrangements for extraction or collection of waste gases) appears on 316 US grants and 249 published applications in this corpus.
Search patents in F27D- Granted patents
- 316
- Published applications
- 249
- Assignees
- 249
- Inventors
- 771
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 11 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 8 | 3 |
| 2002 | 9 | 5 |
| 2003 | 6 | 5 |
| 2004 | 2 | 6 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 7 |
| 2008 | 1 | 5 |
| 2009 | 2 | 1 |
| 2010 | 3 | 8 |
| 2011 | 4 | 6 |
| 2012 | 3 | 9 |
| 2013 | 3 | 14 |
| 2014 | 4 | 12 |
| 2015 | 9 | 14 |
| 2016 | 10 | 25 |
| 2017 | 13 | 11 |
| 2018 | 14 | 12 |
| 2019 | 11 | 11 |
| 2020 | 13 | 11 |
| 2021 | 5 | 12 |
| 2022 | 13 | 13 |
| 2023 | 13 | 14 |
| 2024 | 12 | 18 |
| 2025 | 16 | 14 |
| 2026 | 9 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for carbonizing biomass15 Sep 2026US 12,735,642 B2Mitsubishi UBE Cement Corporation
- Method for operating a blast furnace plant23 Jun 2026US 12,663,212 B2Paul Wurth S. A.
- Steel making plant with electric arc furnace21 Apr 2026US 12,607,409 B2SMS group GmbH
- Pass-through device for a chimney31 Mar 2026US 12,590,701 B2Jeremias Inc.
- Shuttle kiln with enhanced radiant heat retention31 Mar 2026US 12,590,762 B2Corning Incorporated
- Method for manufacturing cement clinker10 Sep 2026US 2026/0265128 A1HSustainability GmbH
- Installation for thermal degradation of composite materials and associated method for recycling same16 Jul 2026US 2026/0199942 A1Acciona ConstruccióN, S.A.
- Carbon Monoxide Electrolyzers used with Reverse Water Gas Shift Reactors for the Conversion of Carbon Dioxide into Added-Value Products16 Jul 2026US 2026/0201576 A1Dioxycle
- Shuttle kiln with enhanced radiant heat retention9 Jul 2026US 2026/0194297 A1Corning Incorporated
- Furnace atmosphere control device and method2 Jul 2026US 2026/0185775 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Method and apparatus for injection of a liquid waste into a molten bath124US 5,436,210 AMolten Metal Technology, Inc. · 1995
- Method and apparatus for producing a product in a regenerator furnace from impure waste containing a non-gasifiable impurity110US 5,640,709 AMolten Metal Technology, Inc. · 1997
- Method and apparatus for producing a product in a regenerator furnace from impure waste containing a non-gasifiable impurity108US 5,640,706 AMolten Metal Technology, Inc. · 1997
- Recycling carbon fibre81US 7,922,871 B2Recycled Carbon Fibre Limited · 2011
- Immersion heater for molten metal74US 9,108,244 B22015