LR

Larry R. Ratzlaff

WE Walter Kidde Portable Equipment: 8 patents #4 of 40Top 10%
CA Carrier: 2 patents #900 of 2,507Top 40%
📍 Elgin, IL: #50 of 644 inventorsTop 8%
🗺 Illinois: #8,017 of 84,256 inventorsTop 10%
Overall (All Time): #459,290 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10037665 Chamber-less smoke sensor Anis Zribi, Travis Silver, Ken Fasen, Anthony Joseph Santistevan, Valeriy V. Miagkov +3 more 2018-07-31
9652958 Chamber-less smoke sensor Anis Zribi, Travis Silver, Ken Fasen, Anthony Joseph Santistevan, Valeriy V. Miagkov +3 more 2017-05-16
9547348 Reactive power supply Matthew J. Buchholz, Rick L. Mantz 2017-01-17
9396637 Photoelectric smoke detector with drift compensation Bill Chandler, Dave Bush 2016-07-19
9019112 Systems and methods for optimizing low battery indication in alarms Stan Burnette, John Andres, Bill Chandler 2015-04-28
7948389 Pivoting battery carrier and a life safety device incorporating the same Jason M. Sharpe, Joseph G. DeLuca 2011-05-24
7492273 Pivoting battery carrier and a life safety device incorporating the same Jason M. Sharpe, Joseph G. DeLuca 2009-02-17
7449990 Communication protocol for interconnected hazardous condition detectors, and system employing same John Andres, Michael W. Apperson, Joseph G. DeLuca, Chris R. Gilbert, Craig Kleinberg +2 more 2008-11-11
6791453 Communication protocol for interconnected hazardous condition detectors, and system employing same John Andres, Michael W. Apperson, Joseph G. DeLuca, Chris R. Gilbert, Craig Kleinberg +2 more 2004-09-14
6753786 Microprocessor-based combination smoke and carbon monoxide detector having intelligent hush feature Michael W. Apperson, John Andres, Joseph G. DeLuca, Chris R. Gilbert 2004-06-22
D346981 Smoke detector 1994-05-17