Inventor

CRAPO ALAN

US4 patents

⚠️ This page may combine multiple inventors who share the name “CRAPO ALAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MAINSPRING ENERGY INC

2 patents

US11616428B2Mar 28, 2023

Linear electromagnetic machine system

MAINSPRING ENERGY INC6 citations83

US12445029B2Oct 14, 2025

Linear electromagnetic machine with a stator having stator teeth arranged to provide an anti-clocking force

MAINSPRING ENERGY INC0 citations60

ETAGEN INC

1 patent

US10985641B2Apr 20, 2021

Linear electromagnetic machine system with bearing housings having pressurized gas

ETAGEN INC3 citations71

REGAL BELOIT AMERICA INC

1 patent

US10630121B1Apr 21, 2020

Rigid rotor structures for conical air gap electrodynamic machines

REGAL BELOIT AMERICA INC0 citations34