F27D 17/00
Arrangements for using waste heat
Official title: Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
F27D17/00 (Arrangements for using waste heat) appears on 889 US grants and 844 published applications in this corpus.
Search patents in F27D- Granted patents
- 889
- Published applications
- 844
- Assignees
- 650
- Inventors
- 2,281
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 11 | 0 |
| 1978 | 13 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 14 | 0 |
| 1982 | 12 | 0 |
| 1983 | 11 | 0 |
| 1984 | 23 | 0 |
| 1985 | 19 | 0 |
| 1986 | 11 | 0 |
| 1987 | 23 | 0 |
| 1988 | 10 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 9 | 0 |
| 1992 | 9 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 16 | 0 |
| 1997 | 9 | 0 |
| 1998 | 16 | 0 |
| 1999 | 18 | 0 |
| 2000 | 22 | 0 |
| 2001 | 20 | 6 |
| 2002 | 14 | 8 |
| 2003 | 12 | 10 |
| 2004 | 9 | 20 |
| 2005 | 11 | 13 |
| 2006 | 6 | 7 |
| 2007 | 6 | 19 |
| 2008 | 6 | 22 |
| 2009 | 6 | 28 |
| 2010 | 15 | 34 |
| 2011 | 26 | 36 |
| 2012 | 13 | 45 |
| 2013 | 18 | 41 |
| 2014 | 27 | 55 |
| 2015 | 39 | 47 |
| 2016 | 32 | 47 |
| 2017 | 44 | 35 |
| 2018 | 39 | 38 |
| 2019 | 27 | 36 |
| 2020 | 37 | 32 |
| 2021 | 20 | 36 |
| 2022 | 24 | 37 |
| 2023 | 27 | 40 |
| 2024 | 25 | 46 |
| 2025 | 35 | 55 |
| 2026 | 28 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing direct reduced iron and DRI manufacturing equipment6 Oct 2026US 12,753,452 B2ArcelorMittal
- Furnace system29 Sep 2026US 12,747,860 B2Owens-Brockway Glass Container Inc.
- Apparatus for carbonizing biomass15 Sep 2026US 12,735,642 B2Mitsubishi UBE Cement Corporation
- Apparatus and process for production of burnt lime or dolomite8 Sep 2026US 12,729,156 B2Fels-Werke GmbH
- Device for smelting and regenerating phosphogypsum using high-temperature ceramsite and method for using same8 Sep 2026US 12,729,157 B2Hubei Juhai Environmental Technology Co., Ltd.
- Systems and methods for direct reduction of iron ore24 Sep 2026US 2026/0287255 A1Uchicago Argonne, LLC
- Co2-free production of artificial pozzolans, in particular from clay10 Sep 2026US 2026/0265126 A1thyssenkrupp AG
- Method for manufacturing cement clinker10 Sep 2026US 2026/0265128 A1HSustainability GmbH
- Method of heating a steel semi-product in a heating furnace, and associated heating furnace3 Sep 2026US 2026/0259005 A1
- Parallel-flow regenerative shaft kiln and method of burning carbonate rock20 Aug 2026US 2026/0243516 A1Maerz Ofenbau AG
Most cited
By later US patents
- Particulate trap for vertical furnace349US 5,312,245 AInternational Business Machines Corporation · 1994
- Method and apparatus for injection of a liquid waste into a molten bath124US 5,436,210 AMolten Metal Technology, Inc. · 1995
- Method and system for injection of a vaporizable material into a molten bath112US 5,679,132 AMolten Metal Technology, Inc. · 1997
- Method for injecting feed streams into a molten bath112US 5,858,059 AMolten Metal Technology, Inc. · 1999
- 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