Patents/Inventors

John Robert Keller

Plano, TXUS7 patents

8 Patents

US123599802025
Systems and Methods for Monitoring Food Temperatures
7-ELEVEN, Inc.
0 cites
US122873062025
System and Method for Determining an Ambient Concentration of Compositions for Bathroom Cleaning
7-ELEVEN, Inc.
0 cites
US122582582025
Beverage Dispenser Fluid Level Sensor
7-ELEVEN, Inc.
0 cites
US121713782024
Systems and Methods for Monitoring Toilet Paper Rolls
7-ELEVEN, Inc.
0 cites
US121529262024
System and Method for Diagnostic Analysis of a Toilet Over Time Intervals
7-ELEVEN, Inc.
0 cites
US121253612024
System and Method for Measuring the Fill Level of a Trash Can Using a Sensor
7-ELEVEN, Inc.
0 cites
US120444662024
Systems and Methods for Monitoring Refrigeration Systems
7-ELEVEN, Inc.
0 cites
US119546532024
Sensor-based Automatic Detection and Prioritization of Maintenance Issues
7-ELEVEN, Inc.
0 cites