H01H 37/68
Sealed in evacuated or gas-filled tube
Official title: sealed in evacuated or gas-filled tube
H01H37/68 (Sealed in evacuated or gas-filled tube) appears on 14 US grants and 2 published applications in this corpus.
Search patents in H01H- Granted patents
- 14
- Published applications
- 2
- Assignees
- 9
- Inventors
- 23
- Latest grant
- 28 Aug 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Plastic lampholder with thermostat28 Aug 2018US 10,062,531 B1Rich Brand Industries Limited
- Thermally responsive switch6 May 2014US 8,717,140 B2Ubukata Industries Co., Ltd.
- Electrical switching devices using a shape memory alloy (SMA) actuation mechanism19 Apr 2011US 7,928,826 B1Rockwell Collins, Inc.
- Thermally-actuated switch18 Mar 2008US 7,345,571 B2Ubukata Industries Co., Ltd.
- Thermal protector22 Jun 1993US 5,221,915 AMatsushita Electric Industrial Co., Ltd.
Most cited
By later US patents
- Thermostat device11US 5,194,842 AITT Corporation · 1993
- Electrical switching devices using a shape memory alloy (SMA) actuation mechanism9US 7,928,826 B1Rockwell Collins, Inc. · 2011
- Current interrupting apparatus7US 4,114,127 ATexas Instruments Incorporated · 1978
- Hermetical type thermally responsive switch5US 4,454,493 ASusumu Ubukata · 1984
- Thermally-actuated switch5US 7,345,571 B2Ubukata Industries Co., Ltd. · 2008