H02N
Electric machines not otherwise provided for
H02N (Electric machines not otherwise provided for) appears on 8,414 US grants and 8,415 published applications in this corpus.
Search patents in H02N- Granted patents
- 8,414
- Published applications
- 8,415
- Assignees
- 2,596
- Inventors
- 14,114
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 14 | 0 |
| 1978 | 13 | 0 |
| 1979 | 12 | 0 |
| 1980 | 18 | 0 |
| 1981 | 13 | 0 |
| 1982 | 11 | 0 |
| 1983 | 24 | 0 |
| 1984 | 18 | 0 |
| 1985 | 30 | 0 |
| 1986 | 24 | 0 |
| 1987 | 46 | 0 |
| 1988 | 57 | 0 |
| 1989 | 54 | 0 |
| 1990 | 66 | 0 |
| 1991 | 78 | 0 |
| 1992 | 99 | 0 |
| 1993 | 90 | 0 |
| 1994 | 73 | 0 |
| 1995 | 99 | 0 |
| 1996 | 96 | 0 |
| 1997 | 92 | 0 |
| 1998 | 140 | 0 |
| 1999 | 139 | 0 |
| 2000 | 156 | 0 |
| 2001 | 171 | 71 |
| 2002 | 173 | 170 |
| 2003 | 133 | 157 |
| 2004 | 168 | 225 |
| 2005 | 154 | 250 |
| 2006 | 163 | 240 |
| 2007 | 168 | 262 |
| 2008 | 199 | 295 |
| 2009 | 196 | 313 |
| 2010 | 251 | 359 |
| 2011 | 262 | 335 |
| 2012 | 234 | 316 |
| 2013 | 256 | 386 |
| 2014 | 264 | 382 |
| 2015 | 281 | 411 |
| 2016 | 325 | 404 |
| 2017 | 359 | 437 |
| 2018 | 353 | 411 |
| 2019 | 412 | 446 |
| 2020 | 384 | 450 |
| 2021 | 364 | 497 |
| 2022 | 427 | 417 |
| 2023 | 412 | 370 |
| 2024 | 368 | 353 |
| 2025 | 297 | 279 |
| 2026 | 164 | 179 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- H02N 2/00Electric machines in general using piezoelectric effect, electrostriction or magnetostriction4,994
- H02N 1/00Electrostatic generators or motors using a solid moving electrostatic charge carrier1,738
- H02N 11/00Generators or motors not provided for elsewhere764
- H02N 13/00Clutches or holding devices using electrostatic attraction675
- H02N 15/00Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided335
- H02N 10/00Electric motors using thermal effects138
- H02N 3/00Generators in which thermal or kinetic energy is converted into electrical energy135
- H02N 99/00Subject matter not provided for in other groups of this subclass48
Recent patents
- Thermal bimetal actuators for use in non-magnetic medical devices6 Oct 2026US 12,751,623 B2Koninklijke Philips N. V.
- Transportation system6 Oct 2026US 12,752,633 B2
- Electrostatic machine system having a dielectric fluid and a method of operation of the same6 Oct 2026US 12,756,332 B2C-Motive Technologies, Inc.
- Method of controlling power delivered to an actuator assembly6 Oct 2026US 12,756,333 B2Cambridge Mechatronics Limited
- Bearing component with piezoelectric core29 Sep 2026US 12,747,757 B2The Timken Company
- Micromechanical arm array for mems actuators8 Oct 2026US 2026/0307981 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Apparatus for processing substrate and method of transferring substrate8 Oct 2026US 2026/0314331 A1Tokyo Electron Limited
- Flexible Smart Sensor Decal with Integrated Wireless Communication and Energy Harvesting1 Oct 2026US 2026/0298859 A1
- Piezoelectric driving device and camera module1 Oct 2026US 2026/0299249 A1Alps Alpine Co., Ltd.
- Energy harvesting apparatus and method1 Oct 2026US 2026/0302831 A1Nditive3D Inc.
Most cited
By later US patents
- Electroactive polymer devices1,577US 6,545,384 B1SRI International · 2003
- Foldable lens delivery system1,445US 5,607,433 AMicro Medical Devices, Inc. · 1997
- High-efficiency, large stroke electromechanical actuator1,075US 5,907,211 AMassachusetts Institute of Technology · 1999
- Micromachined silicon electrostatic chuck587US 5,583,736 AThe United States of America as represented by the Department of Energy · 1996
- Susceptors564US 6,160,244 ANGK Insulators, Ltd. · 2000