FRIEDRICH JOSEF BOLLMANN

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BIRKENWERDER, DE

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Patents Grantslast 30 patents

Information Patent Grant
Communication system and method for controlling access to portable...
- Patent number 11,653,193
- Issue date May 16, 2023
- MOTOROLA SOLUTIONS, INC.
- Melanie King
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Battery protection circuit with isolation device failure detection
- Patent number 11,502,520
- Issue date Nov 15, 2022
- MOTOROLA SOLUTIONS, INC.
- Muhamad Ridzuan Azizan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for intrinsically safe circuit board arrangeme...
- Patent number 9,980,381
- Issue date May 22, 2018
- MOTOROLA SOLUTIONS, INC.
- Seng Huan Chuah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Intrinsically safe audio power current circuit and device using same
- Patent number 9,450,636
- Issue date Sep 20, 2016
- Motorola Solutions, Inc.
- Chen Kok Yeoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Intrinsically safe audio circuit for a portable two-way radio
- Patent number 9,369,800
- Issue date Jun 14, 2016
- Motorola Solutions, Inc.
- Cheah Heng Tan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DYNAMICALLY ENABLING A SECURITY FEATURE OF A WIRELESS COMMUNICATION...
- Publication number 20230199496
- Publication date Jun 22, 2023
- MOTOROLA SOLUTIONS, INC
- Melanie King
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BATTERY PROTECTION CIRCUIT WITH ISOLATION DEVICE FAILURE DETECTION
- Publication number 20210265847
- Publication date Aug 26, 2021
- MOTOROLA SOLUTIONS, INC
- Muhamad Ridzuan Azizan
- G01 - MEASURING TESTING
Information Patent Application
INTRINSICALLY SAFE AUDIO POWER CURRENT CIRCUIT AND DEVICE USING SAME
- Publication number 20160191104
- Publication date Jun 30, 2016
- MOTOROLA SOLUTIONS, INC.
- CHEN KOK YEOH
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR INTRINSICALLY SAFE CIRCUIT BOARD ARRANGEME...
- Publication number 20160174377
- Publication date Jun 16, 2016
- MOTOROLA SOLUTIONS, INC.
- SENG HUAN CHUAH
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
INTRINSICALLY SAFE AUDIO CIRCUIT FOR A PORTABLE TWO-WAY RADIO
- Publication number 20150086026
- Publication date Mar 26, 2015
- MOTOROLA SOLUTIONS, INC.
- CHEAH HENG TAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE