H02N 1/002
Electrostatic motors
Official title: {Electrostatic motors}
H02N1/002 (Electrostatic motors) appears on 1,165 US grants and 1,094 published applications in this corpus.
Search patents in H02N- Granted patents
- 1,165
- Published applications
- 1,094
- Assignees
- 448
- Inventors
- 1,827
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 13 | 0 |
| 1994 | 8 | 0 |
| 1995 | 17 | 0 |
| 1996 | 19 | 0 |
| 1997 | 10 | 0 |
| 1998 | 22 | 0 |
| 1999 | 25 | 0 |
| 2000 | 22 | 0 |
| 2001 | 41 | 14 |
| 2002 | 41 | 50 |
| 2003 | 35 | 49 |
| 2004 | 61 | 55 |
| 2005 | 46 | 56 |
| 2006 | 30 | 58 |
| 2007 | 34 | 46 |
| 2008 | 32 | 42 |
| 2009 | 36 | 49 |
| 2010 | 33 | 46 |
| 2011 | 43 | 34 |
| 2012 | 32 | 39 |
| 2013 | 33 | 47 |
| 2014 | 33 | 38 |
| 2015 | 33 | 58 |
| 2016 | 46 | 51 |
| 2017 | 38 | 35 |
| 2018 | 41 | 23 |
| 2019 | 39 | 39 |
| 2020 | 35 | 46 |
| 2021 | 48 | 84 |
| 2022 | 42 | 45 |
| 2023 | 48 | 32 |
| 2024 | 50 | 30 |
| 2025 | 28 | 17 |
| 2026 | 18 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrostatic machine system having a dielectric fluid and a method of operation of the same6 Oct 2026US 12,756,332 B2C-Motive Technologies, Inc.
- Electrostatic transducer22 Sep 2026US 12,744,475 B2Sumitomo Riko Company Limited
- Micromechanical arm array for mems actuators8 Sep 2026US 12,729,109 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Stackable actuating element with profiled insulated electrode structures1 Sep 2026US 12,726,141 B2Pixart Imaging Inc.
- Micro-electro-mechanical systems and preparation method thereof25 Aug 2026US 12,715,762 B2Huawei Technologies Co., Ltd.
- Micromechanical arm array for mems actuators8 Oct 2026US 2026/0307981 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Micro-electro mechanical system device structure and semiconductor structure1 Oct 2026US 2026/0305345 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Bonding pillar structure for hidden comb microelectromechanical system17 Sep 2026US 2026/0280449 A1Lumentum Operations LLC
- Electrostatically actuated deployable space structures13 Aug 2026US 2026/0238143 A1Massachusetts Institute of Technology
- Mems comprising a comb drive, and method for producing same6 Aug 2026US 2026/0225874 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
Most cited
By later US patents
- Laterally driven resonant microstructures419US 5,025,346 AThe Regents of the University of California · 1991
- Micromachined peristaltic pump277US 5,705,018 A1998
- Elastomeric micro electro mechanical systems276US 5,642,015 AThe University of British Columbia · 1997
- Electro-micro-mechanical shutters on transparent substrates260US 5,552,925 A1996
- Micromachined peristaltic pumps246US 6,007,309 A1999