Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DB

Donald Burch

NONovatorque: 5 patents #4 of 6Top 70%
SMSears Manufacturing: 3 patents #10 of 40Top 25%
Coralville, IA: #24 of 181 inventorsTop 15%
Iowa: #1,712 of 15,303 inventorsTop 15%
Overall (All Time): #578,397 of 4,157,543Top 15%
9 Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8471425 Rotor-stator structures including boost magnet structures for magnetic regions having angled confronting surfaces in rotor assemblies John Patrick Petro, Ken G. Wasson, Jeremy Mayer, Michael Regalbuto 2013-06-25
8330316 Rotor-stator structures including boost magnet structures for magnetic regions in rotor assemblies disposed external to boundaries of conically-shaped spaces John Patrick Petro, Ken G. Wasson, Jeremy Mayer, Michael Regalbuto 2012-12-11
8330317 Conical magnets and rotor-stator structures for electrodynamic machines John Patrick Petro, Jeremy Mayer 2012-12-11
8072115 Foil coil structures and methods for winding the same for axial-based electrodynamic machines John Patrick Petro 2011-12-06
7982350 Conical magnets and rotor-stator structures for electrodynamic machines John Patrick Petro, Jeremy Mayer 2011-07-19
7004446 Bistable dual-magnet valve unit John Patrick Petro, Jeremy Mayer 2006-02-28
4853995 Molded cushion article George L. Bethell, Lysle R. Hinkhouse 1989-08-08
4542887 Process for molding cushion articles George L. Bethell, Lysle R. Hinkhouse 1985-09-24
4501541 Mold assembly for molding cushion articles George L. Bethell, Lysle R. Hinkhouse 1985-02-26