Inventor
DEVRIES DOUGLAS EDWARD
US17 patents
Patents
17 patentsUS10040349B2Aug 7, 2018
Networked intoxication vehicle immobilization
CONSUMER SAFETY TECH LLC43 citations97
US10604011B2Mar 31, 2020
Networked intoxication vehicle immobilization
CONSUMER SAFETY TECH LLC12 citations94
US10877008B2Dec 29, 2020
Reference gas management in a breath alcohol calibration station
CONSUMER SAFETY TECH LLC16 citations93
US10663440B2May 26, 2020
Secure data handling in a breath alcohol calibration station
CONSUMER SAFETY TECH LLC18 citations93
US10919389B2Feb 16, 2021
Networked vehicle immobilization
CONSUMER SAFETY TECH LLC9 citations85
US11971395B2Apr 30, 2024
Secure data handling in a breath alcohol calibration station
CONSUMER SAFETY TECH LLC4 citations84
US11047840B2Jun 29, 2021
Reference gas management in a breath alcohol calibration station
CONSUMER SAFETY TECH LLC10 citations84
US10596903B2Mar 24, 2020
Networked intoxication vehicle immobilization
CONSUMER SAFETY TECH LLC9 citations84
US10948468B2Mar 16, 2021
Fault-tolerant breath alcohol calibration station and method
CONSUMER SAFETY TECH LLC5 citations83
US10877023B2Dec 29, 2020
Dual sensor types in breath alcohol detection
CONSUMER SAFETY TECH LLC7 citations83
US11338675B2May 24, 2022
Networked intoxication vehicle immobilization
CONSUMER SAFETY TECH LLC1 citations73
US11789009B2Oct 17, 2023
Dual sensor types in breath alcohol detection
CONSUMER SAFETY TECH LLC1 citations72
US11415564B2Aug 16, 2022
Secure data handling in a breath alcohol calibration station
CONSUMER SAFETY TECH LLC3 citations72
US12241879B2Mar 4, 2025
Reference gas management in a breath alcohol calibration station
CONSUMER SAFETY TECH LLC1 citations63
US12054044B2Aug 6, 2024
Networked intoxication vehicle immobilization
CONSUMER SAFETY TECH LLC0 citations62
US12339263B2Jun 24, 2025
Detection device transfer system
CONSUMER SAFETY TECH LLC0 citations61
US12203925B2Jan 21, 2025
Dual sensor types in intoxicant detection
CONSUMER SAFETY TECH LLC0 citations61