G05B 2219/14011
Explosion free control, intrinsically safe
G05B2219/14011 (Explosion free control, intrinsically safe) appears on 6 US grants and 5 published applications in this corpus.
Search patents in G05B- Granted patents
- 6
- Published applications
- 5
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 1 | 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 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
- Intrinsically safe automation field device23 Dec 2025US 12,504,732 B2Endress + Hauser GmbH + Co. KG
- Intrinsic safety (IS) barriers mountable on terminal blocks of input/output (I/O) modules or other devices13 Jul 2021US 11,063,426 B2Honeywell International Inc.
- Connection module for field device in the explosion-proof area6 Jun 2017US 9,673,572 B2Pepperl + Fuchs GmbH
- Fault protection circuit for IEC 61158 fieldbus spur and method of using the same2 Jun 2015US 9,046,879 B2Pepperl + Fuchs GmbH
- Integrated intrinsically safe input-output module28 May 2002US 6,397,322 B1Schneider Automation Inc.
- Intrinsically safe automation field device12 Oct 2023US 2023/0324871 A1Endress + Hauser GmbH + Co. KG
- Method for verifying the authentic origin of electronic modules of a modular field device in automation technology28 Oct 2021US 2021/0336773 A1Endress+Hauser Conducta GmbH+Co. KG
- Intrinsic safety (is) barriers mountable on terminal blocks of input/output (i/o) modules or other devices25 Apr 2019US 2019/0123548 A1Honeywell International Inc.
- Connection module for field device in the explosion-proof area25 Dec 2014US 2014/0377995 A1Pepperl + Fuchs GmbH
- Fault protection circuit for iec 61158 fieldbus spur and method of using the same14 Mar 2013US 2013/0063847 A1Pepperl + Fuchs GmbH
Most cited
By later US patents