SimplexGrinnell LP
Westminster, MA, US· latest recorded location
SimplexGrinnell LP is named on 62 US grants and 84 published applications in this corpus. Its most frequent classification is G08B (Signalling systems).
- Granted patents
- 62
- Published applications
- 84
- Inventors
- 82
- Granted in 2026 so far
- 0
- Most recent grant
- 20 May 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 11 |
| 2006 | 3 | 3 |
| 2007 | 5 | 4 |
| 2008 | 8 | 2 |
| 2009 | 5 | 8 |
| 2010 | 4 | 8 |
| 2011 | 8 | 6 |
| 2012 | 11 | 10 |
| 2013 | 13 | 13 |
| 2014 | 2 | 12 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
By publication year.
Technology areas
Share of 146 documents
- G08BSignalling systems106
- H05BElectric heating18
- G01RMeasuring electric variables8
- H04JMultiplex communication7
- H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers6
- H04LDigital communication4
- G06FComputing and data processing3
- G10LSpeech analysis techniques or speech synthesis3
- H01RElectrically-conductive connections3
- H02JPower supply and charging3
Recent patents
- Pull station20 May 2014US 8,730,019 B2
- System and method for detecting a property of a strobe cover7 Jan 2014US 8,624,754 B2
- Supervision for a light display device24 Dec 2013US 8,614,550 B2
- Sprinkler drop ruler10 Dec 2013US 8,601,700 B2
- Compensation circuit for current peaking reduction in notification appliances15 Oct 2013US 8,558,472 B2
- System and method for emergency message preview and transmission15 Jun 2017US 2017/0169700 A9
- Alarm system network operation7 May 2015US 2015/0124807 A1
- Duct detector with remote airflow test capability9 Apr 2015US 2015/0096351 A1
- Method for self-testing notification appliances in alarm systems20 Nov 2014US 2014/0340215 A1
- Notification appliance enclosure13 Nov 2014US 2014/0332525 A1
Most cited
By later US patents
- Emergency lighting system with improved monitoring28US 7,400,226 B22008
- Multi-candela emergency strobe light21US 7,006,003 B22006
- Wireless walk through test system19US 6,737,967 B22004
- Multiwavelength smoke detector using white light LED18US 7,233,253 B22007
- Self-testing notification appliance18US 8,228,182 B22012