Y02B 40/00
Technologies aiming at improving the efficiency of home appliances
Official title: Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Y02B40/00 (Technologies aiming at improving the efficiency of home appliances) appears on 2,883 US grants and 3,174 published applications in this corpus.
Search patents in Y02B- Granted patents
- 2,883
- Published applications
- 3,174
- Assignees
- 1,037
- Inventors
- 5,868
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 13 | 0 |
| 1978 | 23 | 0 |
| 1979 | 4 | 0 |
| 1980 | 19 | 0 |
| 1981 | 23 | 0 |
| 1982 | 10 | 0 |
| 1983 | 14 | 0 |
| 1984 | 19 | 0 |
| 1985 | 28 | 0 |
| 1986 | 15 | 0 |
| 1987 | 20 | 0 |
| 1988 | 10 | 0 |
| 1989 | 11 | 0 |
| 1990 | 18 | 0 |
| 1991 | 16 | 0 |
| 1992 | 18 | 0 |
| 1993 | 29 | 0 |
| 1994 | 24 | 0 |
| 1995 | 17 | 0 |
| 1996 | 32 | 0 |
| 1997 | 22 | 0 |
| 1998 | 36 | 0 |
| 1999 | 43 | 0 |
| 2000 | 38 | 0 |
| 2001 | 52 | 16 |
| 2002 | 43 | 22 |
| 2003 | 33 | 56 |
| 2004 | 32 | 77 |
| 2005 | 40 | 56 |
| 2006 | 40 | 70 |
| 2007 | 30 | 69 |
| 2008 | 25 | 111 |
| 2009 | 40 | 97 |
| 2010 | 53 | 154 |
| 2011 | 49 | 124 |
| 2012 | 74 | 133 |
| 2013 | 77 | 164 |
| 2014 | 103 | 142 |
| 2015 | 125 | 145 |
| 2016 | 140 | 186 |
| 2017 | 134 | 186 |
| 2018 | 141 | 199 |
| 2019 | 160 | 240 |
| 2020 | 178 | 188 |
| 2021 | 174 | 211 |
| 2022 | 180 | 162 |
| 2023 | 151 | 134 |
| 2024 | 120 | 145 |
| 2025 | 108 | 61 |
| 2026 | 62 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Half-bridge circuit using monolithic flip-chip GAN power devices6 Oct 2026US 12,756,203 B2Navitas Semiconductor Limited
- Vacuum insulated structure with adhesive having platy additive to lower permeation29 Sep 2026US 12,747,909 B2Whirlpool Corporation
- Trim breaker for an insulated appliance25 Aug 2026US 12,716,647 B2Whirlpool Corporation
- Method for controlling the provision of electric power to an induction coil25 Aug 2026US 12,720,647 B2Electrolux Appliances Aktiebolag
- Detergent compartment and laundry processing device18 Aug 2026US 12,709,832 B2Haier Smart Home Co., Ltd.
- User-prompted cleaning by autonomous vacuum8 Oct 2026US 2026/0305895 A1Matic Robots, Inc. (fka Matician, Inc.)
- Power device for dual water paths and washing apparatus13 Aug 2026US 2026/0234858 A1Chongqing Haier Washing Machine Co., Ltd.
- Clothing treatment apparatus6 Aug 2026US 2026/0226671 A1Nanjing Roborock Innovation Technology Co., Ltd.
- Dishwasher with energy recovery system16 Jul 2026US 2026/0198752 A1Ecolab USA Inc.
- Refrigerator16 Jul 2026US 2026/0202120 A1LG Electronics Inc.
Most cited
By later US patents
- Communications module mounting for domestic appliance446US 6,359,270 B1NCR Corporation · 2002
- DC to DC converter and power management system400US 6,628,011 B2International Power System, Inc. · 2003
- Battery pack having memory314US 6,307,349 B1Intermec IP Corp. · 2001
- Device with integrated wireless power receiver configured to make a charging determination based on a level of battery life and charging efficiency300US 9,590,444 B2Broadcom Corporation · 2017
- Rechargeable battery charging method289US 5,442,274 ASanyo Electric Co., Ltd. · 1995