Y02B
Energy-efficient buildings
Official title: Climate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications
Y02B (Energy-efficient buildings) appears on 64,776 US grants and 68,873 published applications in this corpus.
Search patents in Y02B- Granted patents
- 64,776
- Published applications
- 68,873
- Assignees
- 16,482
- Inventors
- 95,067
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 166 | 0 |
| 1977 | 241 | 0 |
| 1978 | 274 | 0 |
| 1979 | 238 | 0 |
| 1980 | 320 | 0 |
| 1981 | 373 | 0 |
| 1982 | 339 | 0 |
| 1983 | 307 | 0 |
| 1984 | 341 | 0 |
| 1985 | 326 | 0 |
| 1986 | 275 | 0 |
| 1987 | 328 | 0 |
| 1988 | 258 | 0 |
| 1989 | 304 | 0 |
| 1990 | 337 | 0 |
| 1991 | 345 | 0 |
| 1992 | 341 | 0 |
| 1993 | 361 | 0 |
| 1994 | 401 | 0 |
| 1995 | 424 | 0 |
| 1996 | 499 | 0 |
| 1997 | 446 | 0 |
| 1998 | 608 | 0 |
| 1999 | 640 | 0 |
| 2000 | 725 | 0 |
| 2001 | 767 | 201 |
| 2002 | 773 | 755 |
| 2003 | 731 | 987 |
| 2004 | 776 | 1284 |
| 2005 | 743 | 1440 |
| 2006 | 928 | 1523 |
| 2007 | 931 | 1703 |
| 2008 | 909 | 2011 |
| 2009 | 967 | 2327 |
| 2010 | 1304 | 2872 |
| 2011 | 1555 | 3288 |
| 2012 | 1969 | 3656 |
| 2013 | 2329 | 3769 |
| 2014 | 2899 | 4186 |
| 2015 | 3108 | 4301 |
| 2016 | 3681 | 4177 |
| 2017 | 4007 | 4172 |
| 2018 | 4112 | 4226 |
| 2019 | 4358 | 4142 |
| 2020 | 3948 | 4012 |
| 2021 | 3335 | 3753 |
| 2022 | 2902 | 2997 |
| 2023 | 3041 | 2988 |
| 2024 | 2573 | 2019 |
| 2025 | 2095 | 1348 |
| 2026 | 818 | 736 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- Y02B 70/00Technologies for an efficient end-user side electric power management and consumption20,874
- Y02B 20/00Energy efficient lighting technologies17,331
- Y02B 30/00Energy efficient heating, ventilation or air conditioning [hvac]12,080
- Y02B 10/00Integration of renewable energy sources in buildings8,449
- Y02B 90/00Enabling technologies or technologies with a potential or indirect contribution to ghg5,240
- Y02B 40/00Technologies aiming at improving the efficiency of home appliances2,883
- Y02B 80/00Architectural or constructional elements improving the thermal performance of buildings1,309
- Y02B 50/00Energy efficient technologies in elevators, escalators and moving walkways224
Recent patents
- Contoured mesh ridge vents6 Oct 2026US 12,753,609 B2Bmic LLC
- Systems and methods for utilizing electricity monitoring devices to mitigate or prevent structural damage6 Oct 2026US 12,756,173 B2State Farm Mutual Automobile Insurance Company
- Half-bridge circuit using monolithic flip-chip GAN power devices6 Oct 2026US 12,756,203 B2Navitas Semiconductor Limited
- LED lamp and misuse warning module thereof29 Sep 2026US 12,747,836 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Humidifier29 Sep 2026US 12,747,878 B2LG Electronics Inc.
- User-prompted cleaning by autonomous vacuum8 Oct 2026US 2026/0305895 A1Matic Robots, Inc. (fka Matician, Inc.)
- Systems and methods for utilizing electricity monitoring devices to mitigate or prevent structural damage8 Oct 2026US 2026/0312395 A1State Farm Mutual Automobile Insurance Company
- Organic-light emitting diode1 Oct 2026US 2026/0298429 A1Pictiva Displays International Limited
- Afterburners including methods of making and operating1 Oct 2026US 2026/0302276 A1WATT Fuel Cell Corp.
- Dynamic Boost with Constant Current Mode1 Oct 2026US 2026/0302833 A1Avago Technologies International Sales Pte. Limited
Most cited
By later US patents
- Illumination components1,698US 6,211,626 B1Color Kinetics Incorporated · 2001
- Expandable home automation system1,640US 5,086,385 ACustom Command Systems · 1992
- System and method for monitoring and controlling remote devices1,585US 6,437,692 B1StatSignal Systems, Inc. · 2002
- FET power converter with reduced switching loss1,520US 4,727,308 AInternational Business Machines Corporation · 1988
- Method and apparatus for quiet variable motor speed control1,483US 7,330,004 B2Lutron Electronics Co., Inc. · 2008