Ralph Carl
29Patents
14h-index
52Co-inventors
84Inventor score
Filing activity: Jun 19, 1997 → Oct 29, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7154191B2 | Electrical machine with double-sided rotor | Emerging Cross-Sectional Technologies | 83 | Expired |
| US5882416A | Liquid delivery system, heater apparatus for liquid delivery system, and vaporizer | Chemistry; Metallurgy | 69 | Expired |
| US7154193B2 | Electrical machine with double-sided stator | Emerging Cross-Sectional Technologies | 53 | Expired |
| US7548008B2 | Electrical machine with double-sided lamination stack | Emerging Cross-Sectional Technologies | 45 | Active |
| US7154192B2 | Electrical machine with double-sided lamination stack | Emerging Cross-Sectional Technologies | 42 | Expired |
| US7443066B2 | Methods and apparatus for cooling wind turbine generators | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6707221B2 | Axial flux machine, stator and fabrication method | Electricity | 32 | Expired |
| US7573168B2 | Method and apparatus for assembling a permanent magnet pole assembly | Electricity | 30 | Active |
| US7692357B2 | Electrical machines and assemblies including a yokeless stator with modular lamination stacks | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6596096B2 | Permanent magnet for electromagnetic device and method of making | Chemistry; Metallurgy | 20 | Expired |
| US7935020B2 | Integrated medium-speed geared drive train | Emerging Cross-Sectional Technologies | 19 | Active |
| US6123993A | Method and apparatus for forming low dielectric constant polymeric films | Chemistry; Metallurgy | 18 | Expired |
| US6599416B2 | Method and apparatus for selectively removing coatings from substrates | Chemistry; Metallurgy | 17 | Expired |
| US6331211A | Method and apparatus for forming low dielectric constant polymeric films | Chemistry; Metallurgy | 17 | Expired |
| US6754955B1 | Method or repairing trailing edge portions of partitions in turbine diaphragms | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6785951B2 | Rotor assembly and method of making | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7819641B2 | Reverse flow cooling for fan motor | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US7839048B2 | Electrical machine with double-sided stator | Emerging Cross-Sectional Technologies | 9 | Active |
| US7057326B2 | Rotor body containment shell with reduced windage losses | Electricity | 9 | Expired |
| US7830063B2 | Electrical machine with double-sided rotor | Emerging Cross-Sectional Technologies | 6 | Active |
| US9332679B2 | Fan assembly for rack optimized server computers | Electricity | 5 | Active |
| US6793738B2 | Method for processing acid treatment solution, solution processed thereby, and method for treating articles therewith | Chemistry; Metallurgy | 3 | Expired |
| US7466126B2 | Universal sensor probe with adjustable members configured to fit between a plurality of slot openings of varying widths | Physics | 2 | Active |
| US7489062B2 | Synchronous reluctance machine with a novel rotor topology | Electricity | 2 | Expired |
| US8282348B2 | Fan with strut-mounted electrical components | Mechanical Engineering; Lighting; Heating | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.