H02N 2/18
Producing electrical output from mechanical input
Official title: producing electrical output from mechanical input, e.g. generators (for measurement devices G01)
H02N2/18 (Producing electrical output from mechanical input) appears on 1,477 US grants and 1,863 published applications in this corpus.
Search patents in H02N- Granted patents
- 1,477
- Published applications
- 1,863
- Assignees
- 828
- Inventors
- 3,274
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 9 | 4 |
| 2002 | 11 | 11 |
| 2003 | 10 | 11 |
| 2004 | 11 | 23 |
| 2005 | 9 | 36 |
| 2006 | 27 | 25 |
| 2007 | 16 | 25 |
| 2008 | 27 | 56 |
| 2009 | 22 | 66 |
| 2010 | 41 | 74 |
| 2011 | 59 | 98 |
| 2012 | 57 | 117 |
| 2013 | 75 | 105 |
| 2014 | 77 | 94 |
| 2015 | 74 | 121 |
| 2016 | 89 | 130 |
| 2017 | 98 | 118 |
| 2018 | 104 | 97 |
| 2019 | 94 | 119 |
| 2020 | 95 | 93 |
| 2021 | 57 | 106 |
| 2022 | 86 | 87 |
| 2023 | 74 | 98 |
| 2024 | 73 | 67 |
| 2025 | 76 | 59 |
| 2026 | 35 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bearing component with piezoelectric core29 Sep 2026US 12,747,757 B2The Timken Company
- Energy harvesting with a micro-electro-mechanical system (MEMS)1 Sep 2026US 12,726,142 B1Duality Reality Energy, LLC
- Electricity generating shoe assembly25 Aug 2026US 12,714,182 B2
- Movable door system usable with energy harvesting handicap switch25 Aug 2026US 12,716,286 B2Overhead Door Corporation
- Systems and methods for generating energy from sound25 Aug 2026US 12,719,388 B2
- Flexible Smart Sensor Decal with Integrated Wireless Communication and Energy Harvesting1 Oct 2026US 2026/0298859 A1
- Energy harvesting apparatus and method1 Oct 2026US 2026/0302831 A1Nditive3D Inc.
- Self-powered wheel structure and vehicle with the same10 Sep 2026US 2026/0269748 A1Hon Hai Precision Industry Co., Ltd.
- Stimulation control for enhanced energy harvesting27 Aug 2026US 2026/0249089 A1Medtronic, Inc.
- Piezoelectric energy harvester30 Jul 2026US 2026/0221901 A1Nitto Denko Corporation
Most cited
By later US patents
- Novel uses of piezoelectric materials for creating optical effects327US 4,748,366 A1988
- Biologically powered electroactive polymer generators212US 6,768,246 B2SRI International · 2004
- Energy harvesting for wireless sensor operation and data transmission195US 7,081,693 B2Microstrain, Inc. · 2006
- Piezoelectric fluid-electric generator130US 4,387,318 APiezo Electric Products, Inc. · 1983
- Shaft mounted energy harvesting for wireless sensor operation and data transmission130US 7,256,505 B2Microstrain, Inc. · 2007