G01C 19/40
For control by signals from a master compass, i.e. repeater compasses
Official title: for control by signals from a master compass, i.e. repeater compasses
G01C19/40 (For control by signals from a master compass, i.e. repeater compasses) appears on 5 US grants and 3 published applications in this corpus.
Search patents in G01C- Granted patents
- 5
- Published applications
- 3
- Assignees
- 6
- Inventors
- 8
- Latest grant
- 31 May 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Down hole surveying tool31 May 2016US 9,353,615 B2Imdex Global B.V.
- Method for operating a display device driven by at least one stepping motor1 Jan 2013US 8,341,849 B2Raytheon Anschuetz GmbH
- Adjusting arrangement for compass repeaters13 Nov 1984US 4,481,718 AAnshutz & Co. GmbH
- Follower device with differentiated speeds for gyrocompasses with mechanical suspension28 Apr 1981US 4,264,852 A
- Protective circuit for compass repeater amplifier systems24 Apr 1979US 4,151,519 ASperry Rand Corporation
- Information processing device, information processing method, information processing program, and terminal apparatus26 Aug 2021US 2021/0262802 A1Sony Corporation
- Down hole surveying tool16 May 2013US 2013/0118731 A1Imdex Technology Australia Pty Ltd.
- Method for operating a display device driven by at least one stepping motor26 May 2011US 2011/0119939 A1Raytheon Anschuetz GmbH
Most cited
By later US patents