G08C 19/14
Using combination of fixed frequencies
Official title: using combination of fixed frequencies
G08C19/14 (Using combination of fixed frequencies) appears on 20 US grants and 6 published applications in this corpus.
Search patents in G08C- Granted patents
- 20
- Published applications
- 6
- Assignees
- 13
- Inventors
- 26
- Latest grant
- 29 Oct 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 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 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 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 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 3 |
| 2018 | 2 | 0 |
| 2019 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for protecting a nonmobile work machine driven by an electric motor, and nonmobile work machine driven by an electric motor29 Oct 2019US 10,459,033 B2Kriwan Industrie-Elektronik GmbH
- Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location12 Feb 2019US 10,202,844 B2Evoution Engineering Inc.
- Transmission device, reception device, and communication system and remote operating device each including transmission device and reception device27 Nov 2018US 10,142,062 B2Panasonic Intellectual Property Management Co., Ltd.
- Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location5 Jun 2018US 9,988,896 B2Evolution Engineering Inc.
- Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location30 May 2017US 9,664,038 B2Evolution Engineering Inc.
- Method for protecting a nonmobile work machine driven by an electric motor, and nonmobile work machine driven by an electric motor9 Nov 2017US 2017/0322260 A1Kriwan Industrie-Elektronik GmbH
- Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location8 Jun 2017US 2017/0159427 A1Evolution Engineering Inc.
- Transmission device, reception device, and communication system and remote operating device each including transmission device and reception device11 May 2017US 2017/0134122 A1Panasonic Intellectual Property Management Co., Ltd.
- Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location17 Mar 2016US 2016/0076365 A1Evolution Engineering Inc.
- Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location18 Feb 2016US 2016/0047234 A1Evolution Engineering Inc.
Most cited
By later US patents
- Remote controlled multi-station irrigation system with DTMF transmitter134US 4,760,547 A1988
- Remote transmitter-receiver controller for multiple systems85US 5,841,390 A1998
- Remote transmitter-receiver controller system73US 5,680,134 A1997
- Remote transmitter-receiver controller system71US 6,005,508 A1999
- Remote control arrangement for a medical appliance51US 4,231,019 AStierlen-Maquet AG · 1980