H02K 33/00
Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
Official title: Motors with reciprocating, oscillating or vibrating magnet, armature or coil system (arrangements for handling mechanical energy structurally associated with motors H02K7/00, e.g. H02K7/06)
H02K33/00 (Motors with reciprocating, oscillating or vibrating magnet, armature or coil system) appears on 2,505 US grants and 2,555 published applications in this corpus.
Search patents in H02K- Granted patents
- 2,505
- Published applications
- 2,555
- Assignees
- 946
- Inventors
- 3,748
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 24 | 0 |
| 1978 | 22 | 0 |
| 1979 | 16 | 0 |
| 1980 | 11 | 0 |
| 1981 | 15 | 0 |
| 1982 | 25 | 0 |
| 1983 | 22 | 0 |
| 1984 | 13 | 0 |
| 1985 | 23 | 0 |
| 1986 | 16 | 0 |
| 1987 | 14 | 0 |
| 1988 | 15 | 0 |
| 1989 | 18 | 0 |
| 1990 | 15 | 0 |
| 1991 | 15 | 0 |
| 1992 | 14 | 0 |
| 1993 | 13 | 0 |
| 1994 | 18 | 0 |
| 1995 | 22 | 0 |
| 1996 | 12 | 0 |
| 1997 | 23 | 0 |
| 1998 | 28 | 0 |
| 1999 | 28 | 0 |
| 2000 | 27 | 0 |
| 2001 | 32 | 5 |
| 2002 | 26 | 33 |
| 2003 | 26 | 42 |
| 2004 | 36 | 55 |
| 2005 | 49 | 69 |
| 2006 | 33 | 78 |
| 2007 | 41 | 54 |
| 2008 | 38 | 55 |
| 2009 | 35 | 70 |
| 2010 | 52 | 71 |
| 2011 | 54 | 108 |
| 2012 | 63 | 78 |
| 2013 | 72 | 109 |
| 2014 | 71 | 90 |
| 2015 | 65 | 84 |
| 2016 | 81 | 124 |
| 2017 | 90 | 185 |
| 2018 | 154 | 207 |
| 2019 | 167 | 152 |
| 2020 | 167 | 176 |
| 2021 | 128 | 106 |
| 2022 | 105 | 135 |
| 2023 | 122 | 127 |
| 2024 | 120 | 168 |
| 2025 | 115 | 97 |
| 2026 | 96 | 77 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02K 33/16Motors with reciprocating, oscillating or vibrating magnet, armature or coil system: with1,216
- H02K 33/02Motors with reciprocating, oscillating or vibrating magnet, armature or coil system: with769
- H02K 33/18Motors with reciprocating, oscillating or vibrating magnet, armature or coil system: with645
- H02K 33/12Motors with reciprocating, oscillating or vibrating magnet, armature or coil system: with285
Recent patents
- Voice coil motor with monolithic bearing and pole piece components6 Oct 2026US 12,756,268 B2Thorlabs, Inc.
- Swinging unit6 Oct 2026US 12,756,285 B2Nidec Instruments Corporation
- Vibration actuator and vibration presentation device6 Oct 2026US 12,756,286 B2MINEBEA MITSUMI Inc.
- Haptic feeling presenting device29 Sep 2026US 12,749,957 B2MINEBEA MITSUMI Inc.
- Vibration module29 Sep 2026US 12,749,958 B2Primax Electronics Ltd.
- Brush head assembly, transmission structure, and oral cleaning device8 Oct 2026US 2026/0306229 A1
- Haptic motor and electronic device1 Oct 2026US 2026/0302893 A1AAC Microtech (Changzhou) Co., Ltd.
- Key motor system1 Oct 2026US 2026/0302907 A1AAC Microtech (Changzhou) Co., Ltd.
- Camera module24 Sep 2026US 2026/0287973 A1Samsung Electro-Mechanics Co., Ltd.
- Vibration module, controller, and controller set24 Sep 2026US 2026/0291354 A1Nintendo Co., Ltd.
Most cited
By later US patents
- Linear motor and linear compressor using the same1,020US 7,489,055 B2LG Electronics Inc. · 2009
- Molded elastomeric flexural elements for use in a laser scanning assemblies and scanners, and methods of manufacturing, tuning and adjusting the same550US 8,390,909 B2Metrologic Instruments, Inc. · 2013
- Scan element for use in scanning light and method of making the same542US 8,294,969 B2Metrologic Instruments, Inc. · 2012
- Constant amplitude controller and method343US 4,300,083 AAutomation Devices, Inc. · 1981
- Electronic control system and process for electromagnetic pump259US 6,595,756 B2Medtronic MiniMed, Inc. · 2003