G04C 23/26
For operating a number of devices at different times
Official title: for operating a number of devices at different times
G04C23/26 (For operating a number of devices at different times) appears on 7 US grants and 3 published applications in this corpus.
Search patents in G04C- Granted patents
- 7
- Published applications
- 3
- Assignees
- 7
- Inventors
- 16
- Latest grant
- 14 Aug 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Programmable electronic timer14 Aug 2012US 8,242,631 B2
- Astronomical calculations in lighting control panel with pre-populated cities10 Jun 2008US 7,386,424 B2Siemens Energy & Automation, Inc.
- Time switches1 Apr 1986US 4,580,061 APlympton Patents Limited
- Electric timing clock6 Jul 1982US 4,338,681 AGebruder Junghans GmbH
- Control arrangements for heating circuits6 Apr 1982US 4,323,192 APlympton Patents Limited
Most cited
By later US patents
- Astronomical calculations in lighting control panel with pre-populated cities17US 7,386,424 B2Siemens Energy & Automation, Inc. · 2008
- Device for presetting a television program and the like15US 3,936,752 AMatsushita Electric Industrial Co., Ltd. · 1976
- Electric timing clock5US 4,338,681 AGebruder Junghans GmbH · 1982
- Control arrangements for heating circuits4US 4,323,192 APlympton Patents Limited · 1982
- Programmable electronic timer2US 8,242,631 B22012