Raghavan Ayer
15Patents
7h-index
43Co-inventors
66Inventor score
Filing activity: Mar 31, 1982 → May 11, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7402277B2 | Method of forming metal foams by cold spray technique | Performing Operations; Transporting | 47 | Expired |
| US6254698A | Ultra-high strength ausaged steels with excellent cryogenic temperature toughness and method of making thereof | Chemistry; Metallurgy | 21 | Expired |
| US6159312A | Ultra-high strength triple phase steels with excellent cryogenic temperature toughness | Chemistry; Metallurgy | 20 | Expired |
| US4818481A | Method of extruding aluminum-base oxide dispersion strengthened | Chemistry; Metallurgy | 15 | Expired |
| US8286715B2 | Coated sleeved oil and gas well production devices | Fixed Constructions | 13 | Active |
| US4402746A | Alumina-yttria mixed oxides in dispersion strengthened high temperature alloys | Chemistry; Metallurgy | 11 | Expired |
| US4427447A | Alumina-yttria mixed oxides in dispersion strengthened high temperature alloy powders | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8637166B2 | High strength nickel alloy welds through strain hardening | Emerging Cross-Sectional Technologies | 4 | Active |
| US9821401B2 | High toughness weld metals with superior ductile tearing resistance | Performing Operations; Transporting | 2 | Active |
| US8168306B2 | Weld metal compositions for joining steel structures in the oil and gas industry | Emerging Cross-Sectional Technologies | 2 | Active |
| US8691030B2 | Low alloy steels with superior corrosion resistance for oil country tubular goods | Chemistry; Metallurgy | 0 | Active |
| US11155905B2 | Enhanced wear resistant steel and methods of making the same | Chemistry; Metallurgy | 0 | Active |
| US8426033B2 | High strength nickel alloy welds through precipitation hardening | Emerging Cross-Sectional Technologies | 0 | Active |
| US9896748B2 | Low yield ratio dual phase steel linepipe with superior strain aging resistance | Chemistry; Metallurgy | 0 | Active |
| US8141768B2 | Application of high integrity welding and repair of metal components in oil and gas exploration, production and refining | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.