H01H 1/66
Contacts sealed in an evacuated or gas-filled envelope
Official title: Contacts sealed in an evacuated or gas-filled envelope, e.g. magnetic dry-reed contacts
H01H1/66 (Contacts sealed in an evacuated or gas-filled envelope) appears on 134 US grants and 99 published applications in this corpus.
Search patents in H01H- Granted patents
- 134
- Published applications
- 99
- Assignees
- 75
- Inventors
- 237
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 5 |
| 2010 | 1 | 1 |
| 2011 | 3 | 3 |
| 2012 | 5 | 8 |
| 2013 | 4 | 15 |
| 2014 | 9 | 7 |
| 2015 | 10 | 6 |
| 2016 | 5 | 6 |
| 2017 | 6 | 4 |
| 2018 | 6 | 7 |
| 2019 | 3 | 5 |
| 2020 | 6 | 1 |
| 2021 | 4 | 4 |
| 2022 | 2 | 4 |
| 2023 | 5 | 6 |
| 2024 | 1 | 1 |
| 2025 | 4 | 3 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hermetically sealed manual disconnect with integrated bellows actuator10 Feb 2026US 12,548,717 B2Rincon Power, LLC
- Connecting structure between lead-out pins of auxiliary stationary contacts and yoke plate of DC relay25 Nov 2025US 12,482,621 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Switching device with at least one movable contact, at least one auxiliary contact, at least one spring contact and a contact plate21 Oct 2025US 12,451,312 B2TDK Electronics Co., Ltd.
- Inline disconnect for multiphase electric utility line applications26 Aug 2025US 12,400,812 B2Southern Electrical Equipment Company
- Device with sealed inner chamber27 May 2025US 12,315,690 B2Arianegroup SAS
- Electromagnetic reed switch relay with small cross capacitance30 Jul 2026US 2026/0221364 A1Pro-Tech Inlab, Limited Liability Company
- Hermetically sealed manual disconnect with integrated bellows actuator21 May 2026US 2026/0142095 A1Rincon Power, LLC
- Glass-to-metal-seal assembly for an electromechanical switching device7 May 2026US 2026/0128240 A1Sensata Technologies, Inc.
- High voltage circuit-breaker30 Apr 2026US 2026/0120987 A1Hitachi Energy Ltd
- Connecting structure between lead-out pins of auxiliary stationary contacts and yoke plate of dc relay13 Nov 2025US 2025/0349480 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
Most cited
By later US patents
- Micro-electromechanical system device191US 6,384,353 B1Motorola, Inc. · 2002
- Bi-stable memory element163US 5,677,823 ACavendish Kinetics, Inc. · 1997
- Omnidirectional tilt and vibration sensor139US 7,326,866 B2SignalQuest, Inc. · 2008
- Multiple reed switch module131US 4,547,756 AHamlin, Inc. · 1985
- Magnetic microcontactor and manufacturing method thereof51US 5,605,614 AAsulab S. A. · 1997