H01H 50/02
Bases
Official title: Bases; Casings; Covers (frames for mounting two or more relays or for mounting a relay and another electric component H02B1/01, H04Q1/08, H05K)
H01H50/02 (Bases) appears on 1,332 US grants and 1,174 published applications in this corpus.
Search patents in H01H- Granted patents
- 1,332
- Published applications
- 1,174
- Assignees
- 435
- Inventors
- 2,216
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 17 | 0 |
| 1978 | 14 | 0 |
| 1979 | 8 | 0 |
| 1980 | 10 | 0 |
| 1981 | 9 | 0 |
| 1982 | 18 | 0 |
| 1983 | 15 | 0 |
| 1984 | 16 | 0 |
| 1985 | 14 | 0 |
| 1986 | 18 | 0 |
| 1987 | 25 | 0 |
| 1988 | 10 | 0 |
| 1989 | 13 | 0 |
| 1990 | 8 | 0 |
| 1991 | 19 | 0 |
| 1992 | 16 | 0 |
| 1993 | 19 | 0 |
| 1994 | 12 | 0 |
| 1995 | 10 | 0 |
| 1996 | 14 | 0 |
| 1997 | 16 | 0 |
| 1998 | 14 | 0 |
| 1999 | 35 | 0 |
| 2000 | 18 | 0 |
| 2001 | 24 | 5 |
| 2002 | 16 | 22 |
| 2003 | 22 | 19 |
| 2004 | 21 | 16 |
| 2005 | 19 | 22 |
| 2006 | 14 | 22 |
| 2007 | 12 | 21 |
| 2008 | 10 | 21 |
| 2009 | 15 | 26 |
| 2010 | 20 | 28 |
| 2011 | 25 | 22 |
| 2012 | 38 | 40 |
| 2013 | 32 | 46 |
| 2014 | 32 | 42 |
| 2015 | 38 | 71 |
| 2016 | 58 | 65 |
| 2017 | 59 | 42 |
| 2018 | 43 | 65 |
| 2019 | 60 | 56 |
| 2020 | 48 | 87 |
| 2021 | 57 | 71 |
| 2022 | 65 | 73 |
| 2023 | 70 | 81 |
| 2024 | 55 | 76 |
| 2025 | 57 | 70 |
| 2026 | 42 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 50/04Mounting complete relay or separate parts of relay on a base or723
- H01H 50/023Details concerning sealing312
- H01H 50/021Structurally combining a relay and an electronic component190
- H01H 50/026Details concerning isolation between driving and switching circuit125
- H01H 2050/028Means to improve the overall withstanding voltageIndexing code70
- H01H 50/06Having windows27
Recent patents
- Electromagnetic relay6 Oct 2026US 12,755,916 B2OMRON Corporation
- Relay circuit board29 Sep 2026US 12,749,639 B2Avary Holding (Shenzhen) Co., Limited.
- Electromagnetic relay29 Sep 2026US 12,749,640 B2OMRON Corporation
- High-voltage DC relay22 Sep 2026US 12,744,174 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Electromagnetic relay8 Sep 2026US 12,731,744 B2OMRON Corporation
- Relay8 Oct 2026US 2026/0311945 A1Sensata Technologies (Wuhu) Co., Ltd.
- Contactor1 Oct 2026US 2026/0302114 A1Schneider Electric Industries SAS
- Power distribution apparatus1 Oct 2026US 2026/0302494 A1Autonetworks Technologies, Ltd.
- Relay17 Sep 2026US 2026/0279709 A1Hitachi Energy Ltd
- Safety switch17 Sep 2026US 2026/0279712 A1Keyence Corporation
Most cited
By later US patents
- Sealed contact device with contact gap adjustment capability102US 5,892,194 AMatsushita Electric Works, Ltd. · 1999
- Electromagnetic switching apparatus68US 6,911,884 B2Matsushita Electric Works, Ltd. · 2005
- Contact device63US 8,138,872 B2OMRON Corporation · 2012
- Contact device56US 7,859,373 B2Panasonic Electric Works Co., Ltd. · 2010
- I/O relay interface module53US 5,000,692 AMatsushita Electric Works, Ltd. · 1991