Y02E 40/00
Technologies for an efficient electrical power generation, transmission or distribution
Y02E40/00 (Technologies for an efficient electrical power generation, transmission or distribution) appears on 5,070 US grants and 4,945 published applications in this corpus.
Search patents in Y02E- Granted patents
- 5,070
- Published applications
- 4,945
- Assignees
- 1,850
- Inventors
- 9,627
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 39 | 0 |
| 1977 | 49 | 0 |
| 1978 | 27 | 0 |
| 1979 | 24 | 0 |
| 1980 | 38 | 0 |
| 1981 | 38 | 0 |
| 1982 | 40 | 0 |
| 1983 | 36 | 0 |
| 1984 | 32 | 0 |
| 1985 | 23 | 0 |
| 1986 | 20 | 0 |
| 1987 | 28 | 0 |
| 1988 | 20 | 0 |
| 1989 | 31 | 0 |
| 1990 | 34 | 0 |
| 1991 | 33 | 0 |
| 1992 | 37 | 0 |
| 1993 | 32 | 0 |
| 1994 | 63 | 0 |
| 1995 | 38 | 0 |
| 1996 | 47 | 0 |
| 1997 | 59 | 0 |
| 1998 | 55 | 0 |
| 1999 | 52 | 0 |
| 2000 | 47 | 0 |
| 2001 | 43 | 9 |
| 2002 | 60 | 83 |
| 2003 | 68 | 84 |
| 2004 | 75 | 96 |
| 2005 | 72 | 86 |
| 2006 | 81 | 67 |
| 2007 | 61 | 90 |
| 2008 | 61 | 152 |
| 2009 | 70 | 135 |
| 2010 | 113 | 186 |
| 2011 | 106 | 169 |
| 2012 | 123 | 240 |
| 2013 | 146 | 274 |
| 2014 | 196 | 300 |
| 2015 | 190 | 297 |
| 2016 | 211 | 306 |
| 2017 | 260 | 306 |
| 2018 | 292 | 300 |
| 2019 | 344 | 277 |
| 2020 | 283 | 325 |
| 2021 | 310 | 321 |
| 2022 | 249 | 260 |
| 2023 | 230 | 251 |
| 2024 | 235 | 149 |
| 2025 | 174 | 116 |
| 2026 | 75 | 66 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- Y02E 40/60Superconducting electric elements or equipment1,546
- Y02E 40/70Smart grids as climate change mitigation technology in the energy generation sector1,452
- Y02E 40/30Reactive power compensation1,132
- Y02E 40/10Flexible ac transmission systems [facts]489
- Y02E 40/40Arrangements for reducing harmonics416
- Y02E 40/20Active power filtering [apf]355
- Y02E 40/50Arrangements for eliminating or reducing asymmetry in polyphase networks242
Recent patents
- Utilization of distributed generator inverters as statcom22 Sep 2026US 12,744,380 B2
- Rapid shutdown device for photovoltaic modules15 Sep 2026US 12,738,892 B2GAF Energy LLC
- Enhanced system and method for string balancing25 Aug 2026US 12,719,270 B2Tigo Energy Innovations LLC
- Building management and appliance control system25 Aug 2026US 12,719,281 B2Orison, Inc.
- Control method for uninterruptible power supply system, controller, and uninterruptible power supply system25 Aug 2026US 12,719,303 B2Huawei Digital Power Technologies Co., Ltd.
- Method, apparatus and device for determing voltage support strength of renewable energy power system in real time, storage medium and computer program product27 Aug 2026US 2026/0254239 A1
- Power Converter Device With An Integrated Control Scheme27 Aug 2026US 2026/0254246 A1Aros Electronics AB
- Voltage amplitude and phase adjustment apparatus and method, and computer device and storage medium27 Aug 2026US 2026/0254344 A1
- Resonance suppression method and system for grid-forming converter system based on sequence impedance remodeling27 Aug 2026US 2026/0254368 A1Shandong University
- Superconducting motors and components thereof20 Aug 2026US 2026/0246355 A1Electric Mayhem, LLC
Most cited
By later US patents
- Systems for highly efficient solar power conversion377US 7,605,498 B2Ampt, LLC · 2009
- Systems for boundary controlled solar power conversion370US 7,719,140 B2Ampt, LLC · 2010
- System and method for reducing harmonic currents by current injection335US 5,345,375 ARegents of the University of Minnesota · 1994
- Non-contact power distribution system323US 5,898,579 AAuckland Uniservices Limited · 1999
- Apparatus and method for dynamic voltage restoration of utility distribution networks274US 5,329,222 AWestinghouse Electric Corp. · 1994