D06F 39/30
Arrangements for energy recovery
D06F39/30 (Arrangements for energy recovery) appears on 31 US grants and 27 published applications in this corpus.
Search patents in D06F- Granted patents
- 31
- Published applications
- 27
- Assignees
- 19
- Inventors
- 81
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 4 |
| 2012 | 1 | 4 |
| 2013 | 2 | 0 |
| 2014 | 2 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 4 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Motor driving device and braking control method performed by the same16 Jun 2026US 12,658,828 B2LG Electronics Inc.
- Combination washing and drying laundry treating appliance18 Mar 2025US 12,252,828 B2Whirlpool Corporation
- BLDC motor with heat recovery system26 Nov 2024US 12,152,607 B2Bleckmann GmbH & Co. KG
- Laundry processing apparatus and control method thereof23 Feb 2021US 10,927,492 B2LG Electronics Inc.
- Waste-liquid heat recovery16 Feb 2021US 10,920,995 B2
- Washing machine and controlling method thereof20 Mar 2025US 2025/0092594 A1Samsung Electronics Co., Ltd.
- Intermediate Rinse6 Mar 2025US 2025/0072708 A1Bleckmann GmbH & Co. KG
- Energy harvesting system using dryer exhaust air to generate electricity10 Oct 2024US 2024/0337064 A1Whirlpool Corporation
- Motor driving device and braking control method performed by the same20 Jun 2024US 2024/0204700 A1LG Electronics Inc.
- Home Appliance23 May 2024US 2024/0164617 A1Bleckmann GmbH & Co. KG
Most cited
By later US patents
- Heat recovery in a laundry system76US 4,275,510 A1981
- Washing machine with a multi-function water reservoir48US 5,829,459 AElectrolux Zanussi Elettrodomestici S.p.A. · 1998
- Method of and apparatus for recovery of waste energy33US 4,529,032 AMolitor Industries, Inc. · 1985
- Continuous flow laundry system and method28US 4,546,511 A1985
- Heat pump (server) coupled washer and dryer pair20US 9,027,371 B2Whirlpool Corporation · 2015