John Robert Keller

City:

Plano, Texas

Country:

United States

Published Applications:

Last publication date:

2026-03-19

Top Assignees for applications by John Robert Keller

The entities that hold a legal rights for patent applications filed by inventor Keller John Robert:

7-ELEVEN, INC. 9 Irving, TX United States

Recent patent applications by Keller John Robert

John Robert Keller from Plano, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2026-03-19

US20260080735A1

Physics

CUP DISPENSER SENSOR FOR AUTOMATICALLY GENERATING REFILL ALERTS

#2 | 2023-05-25

US20230162588A1

Physics

System and method for measuring the fill level of a trash can using a sensor

#3 | 2023-05-25

US20230162555A1

Physics

CUP DISPENSER SENSOR FOR AUTOMATICALLY GENERATING REFILL ALERTS

#4 | 2023-05-25

US20230162160A1

Physics

Sensor-based automatic detection and prioritization of maintenance issues

#5 | 2023-05-25

US20230160848A1

Physics

System and method for determining an ambient concentration of compositions for bathroom cleaning

#6 | 2023-05-25

US20230160753A1

Physics

SYSTEMS AND METHODS FOR MONITORING FOOD TEMPERATURES

#7 | 2023-05-25

US20230160737A1

Physics

System and method for diagnostic analysis of a toilet over time intervals

#8 | 2023-05-25

US20230160629A1

Mechanical engineering

Systems and methods for monitoring refrigeration systems

#9 | 2023-05-25

US20230159317A1

Performing operations; transporting

Beverage dispenser fluid level sensor

#10 | 2023-05-25

US20230157490A1

Human necessities

Systems and methods for monitoring toilet paper rolls

InventorID:

5746450 ⎘