Inventor
HANNA ROBERT L
US16 patents
⚠️ This page may combine multiple inventors who share the name “HANNA ROBERT L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JST POWER EQUIPMENT INC
12 patentsUS11735893B2Aug 22, 2023
Switchgear system having chain driven circuit breaker and associated methods
JST POWER EQUIPMENT INC8 citations83
US11735385B2Aug 22, 2023
Medium-voltage switchgear system having single phase breaker control
JST POWER EQUIPMENT INC7 citations83
US11762020B2Sep 19, 2023
Switchgear ground and test device having interchangeable grounding bars
JST POWER EQUIPMENT INC3 citations72
US11757265B2Sep 12, 2023
Switchgear system having translatable and rotatable truck and associated method
JST POWER EQUIPMENT INC4 citations72
US11742639B2Aug 29, 2023
Switchgear system having truck driven shutter mechanism
JST POWER EQUIPMENT INC4 citations72
US11742638B2Aug 29, 2023
Switchgear system having contact arm assembly for switchgear circuit breaker
JST POWER EQUIPMENT INC4 citations72
US12025665B2Jul 2, 2024
Switchgear ground and test device having interchangeable grounding bars
JST POWER EQUIPMENT INC0 citations61
US12046431B2Jul 23, 2024
Medium-voltage switchgear system having single phase breaker control
JST POWER EQUIPMENT INC0 citations60
US12027829B2Jul 2, 2024
Switchgear system having translatable and rotatable truck and associated method
JST POWER EQUIPMENT INC0 citations60
US12027830B2Jul 2, 2024
Switchgear system having chain driven circuit breaker and associated methods
JST POWER EQUIPMENT INC0 citations60
US12249469B2Mar 11, 2025
Circuit breaker having vacuum interrupters and single-phase control with magnetic actuators and associated method
JST POWER EQUIPMENT INC0 citations51
US12416671B2Sep 16, 2025
Switchgear ground and test device having first and second sets of grounding bars and ground shoe assembly
JST POWER EQUIPMENT INC0 citations50