David E. Gay
25Patents
11h-index
10Co-inventors
72Inventor score
Filing activity: Apr 22, 1976 → Dec 23, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5211896A | Composite iron material | Emerging Cross-Sectional Technologies | 61 | Expired |
| US5629092A | Lubricous encapsulated ferromagnetic particles | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5472661A | Method of adding particulate additives to metal particles | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5591373A | Composite iron material | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5595609A | Annealed polymer-bonded soft magnetic body | Electricity | 20 | Expired |
| US5722032A | AC generator rotor segment | Electricity | 18 | Expired |
| US5563001A | Encapsulated ferromagnetic particles suitable for high temperature use | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5271891A | Method of sintering using polyphenylene oxide coated powdered metal | Performing Operations; Transporting | 15 | Expired |
| US6136265A | Powder metallurgy method and articles formed thereby | Electricity | 13 | Expired |
| US6651309B2 | Method for fabricating a highly-dense powder iron pressed stator core for use in alternating current generators and electric motors | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5637402A | Moldable ferromagnetic particles and method | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4018051A | Omnidirectional air driven power generating system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5589010A | Annealed polymer-bonded soft magnetic body | Electricity | 9 | Expired |
| US6193903A | Method of forming high-temperature magnetic articles and articles formed thereby | Electricity | 9 | Expired |
| US5567746A | Moldable ferromagnetic particles and method | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5272008A | Encapsulated oxidation-resistant iron-neodymium-boron permanent magnet | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5395695A | Encapsulated oxidation-resistant iron-neodymium-boron permanent magnet particles | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6179894A | Method of improving compressibility of a powder and articles formed thereby | Electricity | 9 | Expired |
| US6224798A | Method for fabricating powdered metal cores | Performing Operations; Transporting | 9 | Expired |
| US6156264A | Electromagnetic compacting of powder metal for ignition core application | Electricity | 9 | Expired |
| US6423264B1 | Process for forming rotating electromagnets having soft and hard magnetic components | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5607525A | Method of making an AC generator rotor segment | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4146282A | Vehicle battery accessory device | Electricity | 4 | Expired |
| US8254015B2 | System and method for the spatial tailoring of laser light using temporal phase modulation | Performing Operations; Transporting | 1 | Active |
| US6689183B2 | Ferrite powder coating insulating layer for molding a powder metal core | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.