G05B 2219/1107
Hardware expansion of function of plc, programmable, connected in output line
G05B2219/1107 (Hardware expansion of function of plc, programmable, connected in output line) appears on 5 US grants and 2 published applications in this corpus.
Search patents in G05B- Granted patents
- 5
- Published applications
- 2
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 30 Mar 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for automatically updating the memory map of a programmable controller to customized hardware30 Mar 2010US 7,689,727 B2National Instruments Corporation
- Expandable programmable controller30 Jul 1996US 5,541,810 ASiemens Aktiengesellschaft
- Expanded register rack for a programmable logic controller12 Nov 1991US 5,065,141 ASquare D Company
- Programmable controller with I/O expansion module located in one of I/O module positions for communication with outside I/O modules21 Nov 1989US 4,882,702 AAllen-Bradley Company, Inc.
- Programmable controller with expandable I/O interface circuitry12 Mar 1985US 4,504,927 AAllen-Bradley Company, Inc.
Most cited
By later US patents
- Programmable controller with I/O expansion module located in one of I/O module positions for communication with outside I/O modules246US 4,882,702 AAllen-Bradley Company, Inc. · 1989
- Programmable controller with expandable I/O interface circuitry75US 4,504,927 AAllen-Bradley Company, Inc. · 1985
- Expandable programmable controller49US 5,541,810 ASiemens Aktiengesellschaft · 1996
- Expanded register rack for a programmable logic controller39US 5,065,141 ASquare D Company · 1991
- System and method for automatically updating the memory map of a programmable controller to customized hardware6US 7,689,727 B2National Instruments Corporation · 2010