H01R 33/05
Two-pole devices
H01R33/05 (Two-pole devices) appears on 1,627 US grants and 988 published applications in this corpus.
Search patents in H01R- Granted patents
- 1,627
- Published applications
- 988
- Assignees
- 655
- Inventors
- 2,137
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 4 | 0 |
| 1978 | 12 | 0 |
| 1979 | 3 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 16 | 0 |
| 1985 | 9 | 0 |
| 1986 | 21 | 0 |
| 1987 | 12 | 0 |
| 1988 | 19 | 0 |
| 1989 | 23 | 0 |
| 1990 | 29 | 0 |
| 1991 | 30 | 0 |
| 1992 | 33 | 0 |
| 1993 | 25 | 0 |
| 1994 | 38 | 0 |
| 1995 | 41 | 0 |
| 1996 | 43 | 0 |
| 1997 | 55 | 0 |
| 1998 | 71 | 0 |
| 1999 | 57 | 0 |
| 2000 | 67 | 0 |
| 2001 | 54 | 12 |
| 2002 | 42 | 32 |
| 2003 | 38 | 45 |
| 2004 | 39 | 52 |
| 2005 | 34 | 40 |
| 2006 | 56 | 62 |
| 2007 | 40 | 54 |
| 2008 | 42 | 61 |
| 2009 | 54 | 58 |
| 2010 | 42 | 50 |
| 2011 | 44 | 44 |
| 2012 | 29 | 42 |
| 2013 | 32 | 46 |
| 2014 | 33 | 31 |
| 2015 | 30 | 38 |
| 2016 | 26 | 25 |
| 2017 | 33 | 38 |
| 2018 | 45 | 42 |
| 2019 | 53 | 44 |
| 2020 | 49 | 40 |
| 2021 | 40 | 38 |
| 2022 | 37 | 31 |
| 2023 | 32 | 33 |
| 2024 | 27 | 13 |
| 2025 | 21 | 11 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Insert-molded connector with reinforcing portion at bent terminal4 Aug 2026US 12,700,692 B2Sumitomo Wiring Systems, Ltd.
- Extension lamp socket23 Jun 2026US 12,665,365 B2Rich Brand Industries Limited
- Holder device for power supply rail12 May 2026US 12,627,106 B2Hyundai Mobis Co., Ltd.
- Aerosol delivery device with improved connectivity, airflow, and aerosol paths24 Mar 2026US 12,582,164 B2RAI Strategic Holdings, Inc.
- Conductive mounting structures for lighting lamps3 Mar 2026US 12,565,987 B2Maxim Lighting International, Inc.
- Elastic Contact Terminal for the End of a Lamp, and a Lamp Comprising the Same27 Aug 2026US 2026/0251272 A1Self Electronics Co., Ltd.
- Electrical and physical support with attachable vehicle plug16 Jul 2026US 2026/0204856 A1Innova Electronics Corporation
- Aerosol delivery device with improved connectivity, airflow, and aerosol paths2 Jul 2026US 2026/0182636 A1RAI Strategic Holdings, Inc.
- Assembled Type Waterproof Power Plug Component21 May 2026US 2026/0142408 A1
- Track and related plug-in adapter, in particular for lighting systems26 Mar 2026US 2026/0088579 A1Iguzzini Illuminazione S.p.A.
Most cited
By later US patents
- LED illumination apparatus and card-type LED illumination source287US 6,949,772 B2Matsushita Electric Industrial Co., Ltd. · 2005
- Wedge-base LED bulb housing246US 5,160,200 AR & D Molded Products, Inc. · 1992
- Long-range, handheld illumination system207US 7,344,268 B2Xenonics, Inc. · 2008
- Process cartridge having electrical contact connectable to electrical contact in electrophotographic image forming apparatus201US 7,136,604 B2Canon Kabushiki Kaisha · 2006
- Adapter, fitting into an incandescent socket, for receiving a compact flourescent lamp186US 5,545,950 A1996