Y02E
Clean energy generation and storage
Official title: Reduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution
Y02E (Clean energy generation and storage) appears on 226,840 US grants and 298,783 published applications in this corpus.
Search patents in Y02E- Granted patents
- 226,840
- Published applications
- 298,783
- Assignees
- 41,693
- Inventors
- 332,144
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1185 | 0 |
| 1977 | 1339 | 0 |
| 1978 | 1555 | 0 |
| 1979 | 1185 | 0 |
| 1980 | 1527 | 0 |
| 1981 | 1722 | 0 |
| 1982 | 1525 | 0 |
| 1983 | 1366 | 0 |
| 1984 | 1386 | 0 |
| 1985 | 1370 | 0 |
| 1986 | 1347 | 0 |
| 1987 | 1583 | 0 |
| 1988 | 1305 | 0 |
| 1989 | 1326 | 0 |
| 1990 | 1154 | 0 |
| 1991 | 1199 | 0 |
| 1992 | 1295 | 0 |
| 1993 | 1435 | 0 |
| 1994 | 1489 | 0 |
| 1995 | 1472 | 0 |
| 1996 | 1677 | 0 |
| 1997 | 1714 | 0 |
| 1998 | 1906 | 0 |
| 1999 | 1920 | 0 |
| 2000 | 2143 | 0 |
| 2001 | 2454 | 933 |
| 2002 | 2533 | 3267 |
| 2003 | 2721 | 3974 |
| 2004 | 2575 | 4948 |
| 2005 | 2268 | 5237 |
| 2006 | 2532 | 5821 |
| 2007 | 2433 | 6316 |
| 2008 | 2554 | 7272 |
| 2009 | 3136 | 9464 |
| 2010 | 4976 | 12109 |
| 2011 | 5695 | 13705 |
| 2012 | 7211 | 14310 |
| 2013 | 8091 | 14648 |
| 2014 | 9625 | 15038 |
| 2015 | 10428 | 14921 |
| 2016 | 10399 | 13761 |
| 2017 | 11367 | 13444 |
| 2018 | 10906 | 13924 |
| 2019 | 12441 | 14411 |
| 2020 | 12489 | 15314 |
| 2021 | 11479 | 15332 |
| 2022 | 10799 | 15551 |
| 2023 | 11452 | 18425 |
| 2024 | 11746 | 18016 |
| 2025 | 11513 | 17130 |
| 2026 | 5892 | 11512 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- Y02E 60/00Enabling technologies125,545
- Y02E 10/00Energy generation through renewable energy sources70,964
- Y02E 30/00Energy generation of nuclear origin12,260
- Y02E 50/00Technologies for the production of fuel of non-fossil origin11,648
- Y02E 20/00Combustion technologies with mitigation potential7,770
- Y02E 40/00Technologies for an efficient electrical power generation, transmission or distribution5,070
- Y02E 70/00Clean energy generation and storage: other energy conversion or management systems reducing3,319
Recent patents
- Containerized processing of activated aluminum6 Oct 2026US 12,752,248 B1Ltag Systems LLC
- Contoured mesh ridge vents6 Oct 2026US 12,753,609 B2Bmic LLC
- Thermal energy storage system coupled with a solid oxide electrolysis system6 Oct 2026US 12,753,710 B2Rondo Energy, Inc.
- Methods of modifying existing gas turbine engine design to create a combined storage engine and simple cycle peaker product6 Oct 2026US 12,753,719 B2Powerphase International, LLC
- Restart protection device6 Oct 2026US 12,756,184 B2Metabowerke GmbH
- Process for producing functionalized polythiophenes8 Oct 2026US 2026/0308308 A1
- Light-emitting device8 Oct 2026US 2026/0311621 A1Semiconductor Energy Laboratory Co.Ltd.
- Method for Separating a Layer of Solid Material from a Workpiece8 Oct 2026US 2026/0314345 A1Siltectra GmbH
- Docking connector platform for mobile electronic devices1 Oct 2026US 2026/0299643 A1Popsockets LLC
- Afterburners including methods of making and operating1 Oct 2026US 2026/0302276 A1WATT Fuel Cell Corp.
Most cited
By later US patents
- Power control arrangements for surgical instruments and batteries2,057US 8,632,525 B2Ethicon Endo-Surgery, Inc. · 2014
- Surgical instrument having a power control circuit1,889US 8,695,866 B2Ethicon Endo-Surgery, Inc. · 2014
- Motor driven electrosurgical device with mechanical and electrical feedback1,840US 9,161,803 B2Ethicon Endo-Surgery, Inc. · 2015
- Cordless power system1,824US 7,688,028 B2Black & Decker Inc. · 2010
- Interactive displays1,824US 9,283,054 B2Ethicon Endo-Surgery, Inc. · 2016