G05B 2219/34481
Efc explosion free control, intrinsically safe
Official title: EFC explosion free control, intrinsically safe
G05B2219/34481 (Efc explosion free control, intrinsically safe) appears on 14 US grants and 18 published applications in this corpus.
Search patents in G05B- Granted patents
- 14
- Published applications
- 18
- Assignees
- 11
- Inventors
- 39
- Latest grant
- 13 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 0 | 3 |
| 2004 | 2 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 0 |
| 2009 | 3 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- 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.
- Wireless communication adapter for field devices6 Jan 2015US 8,929,948 B2Rosemount Inc.
- Field communication apparatus and process control system2 Sep 2014US 8,824,342 B2Yokogawa Electric Corporation
- Networked series of sensors having distributed measurement and control for use in a hazardous environment6 Sep 2011US 8,014,120 B2Cameron International Corporation
- Field device configured for wireless data communication22 Sep 2009US 7,593,642 B2Invensys Systems, Inc.
- Safety control system and a method for operating the safety control system2 Apr 2026US 2026/0092964 A1Iep Technologies, LLC
- Control panel and method for spark and explosion protection control2 Apr 2026US 2026/0094514 A1Iep Technologies, LLC
- Intrinsic safety (is) barriers mountable on terminal blocks of input/output (i/o) modules or other devices25 Apr 2019US 2019/0123548 A1Honeywell International Inc.
- Field communication apparatus and process control system26 Jul 2012US 2012/0188915 A1Yokogawa Electric Corporation
- Field device configured for wireless data communication11 Mar 2010US 2010/0061733 A1Invensys Systems, Inc.
Most cited
By later US patents
- Field device configured for wireless data communication56US 7,233,745 B2Invensys Systems, Inc. · 2007
- Intrinsically safe field maintenance tool35US 6,889,166 B2Fisher-Rosemount Systems, Inc. · 2005
- Networked series of sensors having distributed measurement and control for use in a hazardous environment25US 7,486,495 B1Cameron International Corporation · 2009
- Field maintenance tool21US 7,117,122 B2Fisher-Rosemount Systems, Inc. · 2006
- Wireless communication adapter for field devices16US 8,929,948 B2Rosemount Inc. · 2015