Y02E 20/30
Technologies for a more efficient combustion or heat usage
Y02E20/30 (Technologies for a more efficient combustion or heat usage) appears on 463 US grants and 427 published applications in this corpus.
Search patents in Y02E- Granted patents
- 463
- Published applications
- 427
- Assignees
- 316
- Inventors
- 1,135
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 10 | 0 |
| 1986 | 1 | 0 |
| 1987 | 12 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 2 |
| 2002 | 7 | 6 |
| 2003 | 7 | 11 |
| 2004 | 6 | 12 |
| 2005 | 8 | 8 |
| 2006 | 11 | 14 |
| 2007 | 6 | 11 |
| 2008 | 6 | 18 |
| 2009 | 5 | 17 |
| 2010 | 7 | 24 |
| 2011 | 13 | 24 |
| 2012 | 13 | 31 |
| 2013 | 14 | 37 |
| 2014 | 21 | 34 |
| 2015 | 20 | 27 |
| 2016 | 28 | 18 |
| 2017 | 25 | 28 |
| 2018 | 22 | 16 |
| 2019 | 23 | 25 |
| 2020 | 14 | 11 |
| 2021 | 16 | 15 |
| 2022 | 15 | 18 |
| 2023 | 9 | 7 |
| 2024 | 7 | 9 |
| 2025 | 10 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power generation process utilizing fuel, liquid air and/or oxygen with zero CO2 emissions28 Apr 2026US 12,613,064 B2Saipem S.P.A.
- Building emission processing and/or sequestration systems and methods17 Feb 2026US 12,553,603 B2Carbonquest, Inc.
- Systems and methods for removal of mercury and/or hydrochloric acid from gas streams using calcium-containing particles6 Jan 2026US 12,515,165 B2Graymont (PA) Inc.
- System and method for enhanced petroleum product recovery4 Nov 2025US 12,460,523 B2Lion Fuel Resources, LLC
- Heat exchange flue and heat exchange device21 Oct 2025US 12,449,125 B2
- Building Emission Processing and/or Sequestration Systems and Methods27 Aug 2026US 2026/0251297 A1Carbonquest, Inc.
- Systems and methods for removal of mercury and/or hydrochloric acid from gas streams using calcium-containing particles2 Jul 2026US 2026/0183699 A1Graymont (PA) Inc.
- System and method for enhanced petroleum product recovery9 Apr 2026US 2026/0098461 A1Lion Fuel Resources, LLC
- Modular pressurized coal combustion plant (mccp) for flexible generation26 Jun 2025US 2025/0207772 A1Washington University
- Waste heat recovery system and method19 Dec 2024US 2024/0418360 A1Samsung E&A Co., Ltd.
Most cited
By later US patents
- Combustion method and apparatus for producing a carbon dioxide end product164US 6,202,574 B1ABB Alstom Power Inc. · 2001
- Method of and power plant for generating power by oxyfuel combustion104US 7,874,140 B2Foster Wheeler North America Corp. · 2011
- System for treating and recovering energy from exhaust gases100US 4,126,000 A1978
- Condensation cleaning of particulate laden gases90US 4,284,609 AQuad Environmental Technologies Corp. · 1981
- Method of desulfurizing flue gases of coal firings87US 4,519,995 AOsterreichische Draukraftwerke Aktiengesellschaft · 1985