Larry R. Ratzlaff

Person

Elgin, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Chamber-less smoke sensor
- Patent number 10,037,665
- Issue date Jul 31, 2018
- Carrier Corporation
- Anis Zribi
- G08 - SIGNALLING
Information Patent Grant
Chamber-less smoke sensor
- Patent number 9,652,958
- Issue date May 16, 2017
- Carrier Corporation
- Anis Zribi
- G08 - SIGNALLING
Information Patent Grant
Reactive power supply
- Patent number 9,547,348
- Issue date Jan 17, 2017
- Walter Kidde Portable Equipment Inc.
- Matthew J. Buchholz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Photoelectric smoke detector with drift compensation
- Patent number 9,396,637
- Issue date Jul 19, 2016
- Walter Kidde Portable Equipment, Inc.
- Bill Chandler
- G08 - SIGNALLING
Information Patent Grant
Systems and methods for optimizing low battery indication in alarms
- Patent number 9,019,112
- Issue date Apr 28, 2015
- Walter Kidde Portable Equipment, Inc.
- Larry R. Ratzlaff
- G08 - SIGNALLING
Information Patent Grant
Pivoting battery carrier and a life safety device incorporating the...
- Patent number 7,948,389
- Issue date May 24, 2011
- Walter Kidde Portable Equipment, Inc.
- Jason M. Sharpe
- G08 - SIGNALLING
Information Patent Grant
Pivoting battery carrier and a life safety device incorporating the...
- Patent number 7,492,273
- Issue date Feb 17, 2009
- Walter Kidde Portable Equipment, Inc.
- Jason M. Sharpe
- G08 - SIGNALLING
Information Patent Grant
Communication protocol for interconnected hazardous condition detec...
- Patent number 7,449,990
- Issue date Nov 11, 2008
- Walter Kidde Portable Equipment, Inc.
- John J. Andres
- G08 - SIGNALLING
Information Patent Grant
Communication protocol for interconnected hazardous condition detec...
- Patent number 6,791,453
- Issue date Sep 14, 2004
- Walter Kidde Portable Equipment, Inc.
- John J. Andres
- G08 - SIGNALLING
Information Patent Grant
Microprocessor-based combination smoke and carbon monoxide detector...
- Patent number 6,753,786
- Issue date Jun 22, 2004
- Walter Kidde Portable Equipment, Inc.
- Michael W. Apperson
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
CHAMBER-LESS SMOKE SENSOR
- Publication number 20170178481
- Publication date Jun 22, 2017
- Carrier Corporation
- Anis Zribi
- G08 - SIGNALLING
Information Patent Application
CHAMBER-LESS SMOKE SENSOR
- Publication number 20150371515
- Publication date Dec 24, 2015
- Carrier Corporation
- Anis Zribi
- G08 - SIGNALLING
Information Patent Application
REACTIVE POWER SUPPLY
- Publication number 20140337653
- Publication date Nov 13, 2014
- Walter Kidde Portable Equipment Inc.
- Matthew J. Buchholz
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR OPTIMIZING LOW BATTERY INDICATION IN ALARMS
- Publication number 20140015682
- Publication date Jan 16, 2014
- Larry R. Ratzlaff
- G08 - SIGNALLING
Information Patent Application
PHOTOELECTRIC SMOKE DETECTOR WITH DRIFT COMPENSATION
- Publication number 20140015680
- Publication date Jan 16, 2014
- Bill Chandler
- G08 - SIGNALLING
Information Patent Application
Pivoting Battery Carrier and a Life Safety Device Incorporating the...
- Publication number 20080316044
- Publication date Dec 25, 2008
- Walter Kidde Portable Equipment, Inc.
- Jason M. Sharpe
- G08 - SIGNALLING
Information Patent Application
Communication protocol for interconnected hazardous condition detec...
- Publication number 20050007248
- Publication date Jan 13, 2005
- Walter Kidde Portable Equipment, Inc.
- John J. Andres
- G08 - SIGNALLING
Information Patent Application
Pivoting battery carrier and a life safety device incorporating the...
- Publication number 20040229113
- Publication date Nov 18, 2004
- Walter Kidde Portable Equipment, Inc.
- Jason M. Sharpe
- G08 - SIGNALLING

Larry R. Ratzlaff

Person

Patents Grantslast 30 patents

Chamber-less smoke sensor

Chamber-less smoke sensor

Reactive power supply

Photoelectric smoke detector with drift compensation

Systems and methods for optimizing low battery indication in alarms

Pivoting battery carrier and a life safety device incorporating the...

Pivoting battery carrier and a life safety device incorporating the...

Communication protocol for interconnected hazardous condition detec...

Communication protocol for interconnected hazardous condition detec...

Microprocessor-based combination smoke and carbon monoxide detector...

Patents Applicationslast 30 patents

CHAMBER-LESS SMOKE SENSOR

CHAMBER-LESS SMOKE SENSOR

REACTIVE POWER SUPPLY

SYSTEMS AND METHODS FOR OPTIMIZING LOW BATTERY INDICATION IN ALARMS

PHOTOELECTRIC SMOKE DETECTOR WITH DRIFT COMPENSATION

Pivoting Battery Carrier and a Life Safety Device Incorporating the...

Communication protocol for interconnected hazardous condition detec...

Pivoting battery carrier and a life safety device incorporating the...