Inventor
POWERS JOHN
US25 patents
⚠️ This page may combine multiple inventors who share the name “POWERS JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MAINSPRING ENERGY INC
10 patentsUS11616428B2Mar 28, 2023
Linear electromagnetic machine system
MAINSPRING ENERGY INC6 citations83
US11404937B2Aug 2, 2022
Integrated linear generator system
MAINSPRING ENERGY INC11 citations83
US11211885B2Dec 28, 2021
Auto-braking for an electromagnetic machine
MAINSPRING ENERGY INC4 citations82
US12283911B2Apr 22, 2025
Auto-braking for an electromagnetic machine
MAINSPRING ENERGY INC2 citations73
US11652432B2May 16, 2023
Auto-braking for an electromagnetic machine
MAINSPRING ENERGY INC2 citations71
US10916991B2Feb 9, 2021
DC-DC converter in a non-steady system
MAINSPRING ENERGY INC0 citations61
US12556063B2Feb 17, 2026
Integrated linear generator system
MAINSPRING ENERGY INC0 citations60
US12445029B2Oct 14, 2025
Linear electromagnetic machine with a stator having stator teeth arranged to provide an anti-clocking force
MAINSPRING ENERGY INC0 citations60
US12027956B2Jul 2, 2024
Integrated linear generator system
MAINSPRING ENERGY INC0 citations60
US11750065B2Sep 5, 2023
Integrated linear generator system
MAINSPRING ENERGY INC0 citations60
ETAGEN INC
4 patentsUS10715068B2Jul 14, 2020
Auto-braking for an electromagnetic machine
ETAGEN INC5 citations82
US10404199B2Sep 3, 2019
Auto-braking for an electromagnetic machine
ETAGEN INC4 citations82
US10985641B2Apr 20, 2021
Linear electromagnetic machine system with bearing housings having pressurized gas
ETAGEN INC3 citations71
US10554099B2Feb 4, 2020
DC-DC converter in a non-steady system
ETAGEN INC0 citations51