Y02B 30/62
Absorption based systems
Y02B30/62 (Absorption based systems) appears on 866 US grants and 419 published applications in this corpus.
Search patents in Y02B- Granted patents
- 866
- Published applications
- 419
- Assignees
- 371
- Inventors
- 1,367
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 15 | 0 |
| 1978 | 14 | 0 |
| 1979 | 20 | 0 |
| 1980 | 15 | 0 |
| 1981 | 24 | 0 |
| 1982 | 23 | 0 |
| 1983 | 14 | 0 |
| 1984 | 39 | 0 |
| 1985 | 25 | 0 |
| 1986 | 18 | 0 |
| 1987 | 24 | 0 |
| 1988 | 22 | 0 |
| 1989 | 12 | 0 |
| 1990 | 15 | 0 |
| 1991 | 21 | 0 |
| 1992 | 14 | 0 |
| 1993 | 21 | 0 |
| 1994 | 26 | 0 |
| 1995 | 16 | 0 |
| 1996 | 26 | 0 |
| 1997 | 21 | 0 |
| 1998 | 40 | 0 |
| 1999 | 29 | 0 |
| 2000 | 20 | 0 |
| 2001 | 27 | 4 |
| 2002 | 18 | 16 |
| 2003 | 23 | 12 |
| 2004 | 10 | 10 |
| 2005 | 7 | 9 |
| 2006 | 6 | 8 |
| 2007 | 7 | 5 |
| 2008 | 5 | 11 |
| 2009 | 5 | 10 |
| 2010 | 8 | 20 |
| 2011 | 2 | 23 |
| 2012 | 3 | 23 |
| 2013 | 8 | 29 |
| 2014 | 21 | 29 |
| 2015 | 24 | 27 |
| 2016 | 18 | 27 |
| 2017 | 29 | 21 |
| 2018 | 14 | 31 |
| 2019 | 19 | 21 |
| 2020 | 28 | 17 |
| 2021 | 12 | 22 |
| 2022 | 17 | 13 |
| 2023 | 13 | 11 |
| 2024 | 13 | 13 |
| 2025 | 6 | 7 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat absorption and radiation system20 Jan 2026US 12,529,528 B2Aisin Corporation
- Solar heating for refrigeration and fluid heating devices2 Dec 2025US 12,486,990 B2Lema S.R.L.
- Thermal storage absorption refrigeration unit7 Oct 2025US 12,435,912 B2
- Electric lithium bromide absorption air conditioning unit and energy storage refrigeration and heating system17 Jun 2025US 12,331,966 B1
- Air-conditioning panel29 Apr 2025US 12,287,118 B2Yazaki Energy System Corporation
- Atmospheric water generator apparatus23 Oct 2025US 2025/0325920 A1Exaeris Water Innovations, LLC
- Absorption type chiller12 Jun 2025US 2025/0189178 A1
- Absorption type chiller12 Jun 2025US 2025/0189179 A1
- Flame tube exchanger for absorption heat pumps1 May 2025US 2025/0137697 A1Ariston S.P.A.
- Thermal storage absorption refrigeration unit10 Apr 2025US 2025/0116435 A1
Most cited
By later US patents
- Rotary thermodynamic apparatus and method84US 4,524,587 A1985
- Solar heating system83US 4,429,545 AOcean & Atmospheric Science, Inc. · 1984
- Multi-use absorption/regeneration power cycle71US 4,009,575 A1977
- System for electric generation, heating, cooling, and ventilation68US 6,054,229 AZtek Corporation · 2000
- Heat pump assisted solar powered absorption system66US 4,070,870 ABorg-Warner Corporation · 1978