Donn Armstrong
11Patents
7h-index
5Co-inventors
55Inventor score
Filing activity: Apr 22, 1991 → Sep 3, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5779761A | Method of making metals and other elements | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5958106A | Method of making metals and other elements from the halide vapor of the metal | Emerging Cross-Sectional Technologies | 54 | Expired |
| US6409797B1 | Method of making metals and other elements from the halide vapor of the metal | Chemistry; Metallurgy | 25 | Expired |
| US7041150B2 | Preparation of alloys by the Armstrong method | Chemistry; Metallurgy | 14 | Expired |
| US7435282B2 | Elemental material and alloy | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6861038B2 | Ceramics and method of producing ceramics | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7445658B2 | Titanium and titanium alloys | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7501089B2 | Method and apparatus for controlling the size of powder produced by the Armstrong Process | Chemistry; Metallurgy | 7 | Expired |
| US7351272B2 | Method and apparatus for controlling the size of powder produced by the Armstrong process | Chemistry; Metallurgy | 7 | Expired |
| US5242464A | Method of bleaching wood | Performing Operations; Transporting | 5 | Expired |
| US7621977B2 | System and method of producing metals and alloys | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.