B29L 2031/34
Electrical apparatus
Official title: Electrical apparatus, e.g. sparking plugs or parts thereof
B29L2031/34 (Electrical apparatus) appears on 3,569 US grants and 4,454 published applications in this corpus.
Search patents in B29L- Granted patents
- 3,569
- Published applications
- 4,454
- Assignees
- 1,988
- Inventors
- 9,795
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 9 | 0 |
| 1978 | 14 | 0 |
| 1979 | 7 | 0 |
| 1980 | 18 | 0 |
| 1981 | 16 | 0 |
| 1982 | 9 | 0 |
| 1983 | 15 | 0 |
| 1984 | 17 | 0 |
| 1985 | 26 | 0 |
| 1986 | 28 | 0 |
| 1987 | 27 | 0 |
| 1988 | 29 | 0 |
| 1989 | 28 | 0 |
| 1990 | 33 | 0 |
| 1991 | 16 | 0 |
| 1992 | 24 | 0 |
| 1993 | 19 | 0 |
| 1994 | 33 | 0 |
| 1995 | 16 | 0 |
| 1996 | 25 | 0 |
| 1997 | 26 | 0 |
| 1998 | 47 | 0 |
| 1999 | 32 | 0 |
| 2000 | 32 | 0 |
| 2001 | 25 | 20 |
| 2002 | 42 | 49 |
| 2003 | 40 | 54 |
| 2004 | 36 | 91 |
| 2005 | 37 | 106 |
| 2006 | 37 | 57 |
| 2007 | 33 | 65 |
| 2008 | 33 | 71 |
| 2009 | 20 | 103 |
| 2010 | 60 | 109 |
| 2011 | 45 | 114 |
| 2012 | 61 | 123 |
| 2013 | 70 | 144 |
| 2014 | 76 | 192 |
| 2015 | 110 | 305 |
| 2016 | 155 | 367 |
| 2017 | 226 | 341 |
| 2018 | 266 | 303 |
| 2019 | 257 | 262 |
| 2020 | 263 | 304 |
| 2021 | 230 | 255 |
| 2022 | 189 | 272 |
| 2023 | 206 | 220 |
| 2024 | 204 | 225 |
| 2025 | 174 | 173 |
| 2026 | 115 | 129 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29L 2031/3481Housings or casings incorporating or embedding electric or electronic elementsIndexing code613
- B29L 2031/3468Batteries, accumulators or fuel cellsIndexing code490
- B29L 2031/3425Printed circuitsIndexing code394
- B29L 2031/3462CablesIndexing code391
- B29L 2031/3475Displays, monitors, tv-sets, computer screensIndexing code380
- B29L 2031/3431Telephones, earphonesIndexing code287
- B29L 2031/3406ComponentsIndexing code276
- B29L 2031/3456AntennasIndexing code242
All 15 subgroupsShow fewer
- B29L 2031/3412InsulatorsIndexing code120
- B29L 2031/36Plugs, connectors, or parts thereofIndexing code113
- B29L 2031/3493Moulded interconnect devices, i.e. moulded articles provided with integrated circuit tracesIndexing code71
- B29L 2031/3418Loud speakersIndexing code67
- B29L 2031/3443SwitchesIndexing code36
- B29L 2031/3487ResistorsIndexing code5
- B29L 2031/345Accessories for radios, record players or the likeIndexing code3
Recent patents
- Compression molding device and compression molding method29 Sep 2026US 12,746,711 B2Yamaha Robotics Co., Ltd.
- Manufacturing method of coil component and coil component29 Sep 2026US 12,746,712 B2Sumida Corporation
- Buckle assembly, pressing and cutting jig, and method and apparatus for manufacturing package structure29 Sep 2026US 12,746,728 B2Boe Technology Group Co., Ltd.
- Method for producing resin molded product, film fixing member, liquid resin spreading mechanism and resin molding apparatus22 Sep 2026US 12,741,402 B2Towa Corporation
- Robotic systems for additive manufacturing22 Sep 2026US 12,741,421 B2University of Louisville Research Foundation, Inc.
- Techniques for manufacturing a wearable ring device8 Oct 2026US 2026/0307308 A1Oura Health Oy
- Nanoimprint lithography mold and nanoimprint lithography using same8 Oct 2026US 2026/0310109 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Conductive sheet, resin molded article, and method for manufacturing resin molded article8 Oct 2026US 2026/0313756 A1Nissha Co., Ltd.
- Single-phase coolant sprayer8 Oct 2026US 2026/0313836 A1
- Methods, systems, and apparatuses for manufacturing wearable ring devices1 Oct 2026US 2026/0295929 A1
Most cited
By later US patents
- Fully encapsulated electronics and printed circuit boards515US 10,667,408 B2Covidien LP · 2020
- Cordless remote alarm transmission apparatus406US 6,049,273 ATattletale Portable Alarm, Inc. · 2000
- Portable alarm system344US 5,777,551 A1998
- Communication device having interchangeable faceplates and active keypad cover339US 5,848,152 AMotorola, Inc. · 1998
- Alarm transmission apparatus257US 6,441,731 B12002