John Patrick Petro
22Patents
9h-index
6Co-inventors
68Inventor score
Filing activity: Nov 26, 1979 → Oct 8, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6501357B2 | Permanent magnet actuator mechanism | Electricity | 56 | Expired |
| US7061152B2 | Rotor-stator structure for electrodynamic machines | Electricity | 30 | Expired |
| US7294948B2 | Rotor-stator structure for electrodynamic machines | Electricity | 23 | Expired |
| US5752811A | Linear actuator mechanism for converting rotary to linear movement including one end pulley Line attached to the stationary anchor and other end attached to the take-up drum | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4266650A | Coupling hinge for two conveyors | Performing Operations; Transporting | 20 | Expired |
| US7719159B2 | Apparatus and method for constructing electrodynamic machines | Electricity | 18 | Active |
| US8330317B2 | Conical magnets and rotor-stator structures for electrodynamic machines | Electricity | 16 | Active |
| US7884522B1 | Stator and rotor-stator structures for electrodynamic machines | Electricity | 11 | Active |
| US7239058B2 | Rotor-stator structure for electrodynamic machines | Electricity | 10 | Expired |
| US7205693B2 | Rotor-stator structure for electrodynamic machines | Electricity | 8 | Expired |
| US8471425B2 | Rotor-stator structures including boost magnet structures for magnetic regions having angled confronting surfaces in rotor assemblies | Electricity | 7 | Active |
| US8072106B2 | Stator and rotor-stator structures for electrodynamic machines | Electricity | 7 | Active |
| US7982350B2 | Conical magnets and rotor-stator structures for electrodynamic machines | Electricity | 7 | Active |
| US7004446B2 | Bistable dual-magnet valve unit | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US8072115B2 | Foil coil structures and methods for winding the same for axial-based electrodynamic machines | Electricity | 6 | Active |
| US8543365B1 | Computer-readable medium, a method and an apparatus for designing and simulating electrodynamic machines implementing conical and cylindrical magnets | Electricity | 4 | Active |
| US8330316B2 | Rotor-stator structures including boost magnet structures for magnetic regions in rotor assemblies disposed external to boundaries of conically-shaped spaces | Electricity | 4 | Active |
| US7573170B2 | Motor modules for linear and rotary motors | Electricity | 3 | Active |
| US7576468B2 | Commutation of brushless electrodynamic machines | Electricity | 2 | Active |
| US8283832B2 | Sculpted field pole members and methods of forming the same for electrodynamic machines | Emerging Cross-Sectional Technologies | 1 | Active |
| US9093874B2 | Sculpted field pole members and methods of forming the same for electrodynamic machines | Electricity | 1 | Active |
| US8319144B2 | Apparatus and method for constructing three-dimensional laminated shapes for field pole structures | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.