G05B 2219/25191
Current loop
G05B2219/25191 (Current loop) appears on 12 US grants and 9 published applications in this corpus.
Search patents in G05B- Granted patents
- 12
- Published applications
- 9
- Assignees
- 10
- Inventors
- 22
- Latest grant
- 5 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Air conditioner current loop communication circuit and air conditioner5 Jul 2022US 11,378,294 B2Gd Midea Air-Conditioning Equipment Co., Ltd.
- Field device switch monitor9 Feb 2021US 10,915,084 B2Rosemount Inc.
- Current loop input protection24 Sep 2019US 10,424,919 B2Fisher Controls International LLC
- Control electronics for a process device and method for operation therefor14 May 2019US 10,289,135 B2Endress+Hauser Wetzer GmbH+Co.KG
- Current loop input protection10 May 2016US 9,337,650 B2Fisher Controls International LLC
- Air Conditioner Current Loop Communication Circuit And Air Conditioner21 May 2020US 2020/0158364 A1Gd Midea Air-Conditioning Equipment Co., Ltd.
- Field device switch monitor12 Sep 2019US 2019/0278244 A1Rosemount Inc.
- Current Loop Input Protection1 Sep 2016US 2016/0254663 A1Fisher Controls International LLC
- Control electronics for a process device and method for operation therefor26 Nov 2015US 2015/0338860 A1Endress+Hauser Wetzer GmbH+Co.KG
- Current loop input protection5 Mar 2015US 2015/0061634 A1Fisher Controls International LLC
Most cited
By later US patents
- Conversion circuit for process control system45US 6,307,483 B1Rosemount Inc. · 2001
- Conversion circuit for process control system18US 5,650,777 ARosemount Inc. · 1997
- Conversion circuit for process control system17US 5,963,147 ARosemont Inc. · 1999
- RF adapter for field device with loop current bypass16US 8,049,361 B2Rosemount Inc. · 2011
- Field device switch monitor5US 10,915,084 B2Rosemount Inc. · 2021