G05B 2219/25188
Superposition high frequency data signal on power lines, current carrier
G05B2219/25188 (Superposition high frequency data signal on power lines, current carrier) appears on 29 US grants and 16 published applications in this corpus.
Search patents in G05B- Granted patents
- 29
- Published applications
- 16
- Assignees
- 23
- Inventors
- 66
- Latest grant
- 8 Feb 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 4 |
| 2004 | 4 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Faceplate switch8 Feb 2022US 11,245,285 B2Ivani, LLC
- Electrical appliance, in particular an electrical household appliance, a corresponding optional auxiliary device, and a system comprising said appliance and device27 Nov 2012US 8,319,599 B2Indesit Company S. p. A.
- Field-mounted process device with programmable digital/analog interface5 Jun 2007US 7,228,186 B2Rosemount Inc.
- Control and supervisory signal transmission system for changing a duty factor of a control signal5 Dec 2006US 7,146,450 B2Anywire Corporation
- Two-wire field-mounted process device1 Nov 2005US 6,961,624 B2Rosemount Inc.
- Communication System And Method For Industrial Automation30 Dec 2021US 2021/0405618 A1ABB Schweiz AG
- Faceplate switch5 Jul 2018US 2018/0188706 A1Ivani, LLC
- Method and apparatus for using plc-based sensor units for communication and streaming media delivery, and for monitoring and control of power usage of connected appliances12 Feb 2015US 2015/0045977 A1
- Connecting device, system and method for signal transmission between a control center and at least one field device in an industrial installation30 Jan 2014US 2014/0031955 A1ABB Technology AG
- Electrical appliance, in particular an electrical household appliance, a corresponding optional auxiliary device, and a system comprising said appliance and device8 Apr 2010US 2010/0085144 A1Indesit Company S. p. A.
Most cited
By later US patents
- Method and apparatus for controlling and determining the status of electrical devices from remote locations714US 5,905,442 ALutron Electronics Co., Inc. · 1999
- Building intelligence system291US 4,567,557 A1986
- Utility monitoring and control system233US 4,749,992 ATotal Energy Management Consultants Corp. (TEMCO) · 1988
- Remote control system, components and methods195US 4,864,588 AHillier Technologies Limited Partnership · 1989
- Slave processor for controlling environments178US 4,740,882 AEnvironmental Computer Systems, Inc. · 1988