Robert B. Heithoff
19Patents
10h-index
18Co-inventors
69Inventor score
Filing activity: Aug 2, 1976 → Aug 20, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5393593A | Dark gray, infrared absorbing glass composition and coated glass for privacy glazing | Emerging Cross-Sectional Technologies | 168 | Expired |
| US5030594A | Highly transparent, edge colored glass | Emerging Cross-Sectional Technologies | 131 | Expired |
| US5030593A | Lightly tinted glass compatible with wood tones | Emerging Cross-Sectional Technologies | 123 | Expired |
| US5023210A | Neutral gray, low transmittance, nickel-free glass | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4886539A | Method of vacuum refining of glassy materials with selenium foaming agent | Emerging Cross-Sectional Technologies | 62 | Expired |
| US5792559A | Composite transparency | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6413893B1 | Green privacy glass | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6962887B2 | Transparent glass having blue edge color | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4047918A | Water cooled glass stirrer | Chemistry; Metallurgy | 15 | Expired |
| US8455066B2 | Low solar absorbing blue glass, solar reflecting coated blue glass, and insulating unit having a low solar heat gain | Fixed Constructions | 11 | Active |
| US7691763B2 | High performance blue glass | Chemistry; Metallurgy | 10 | Active |
| US4055407A | Apparatus for the manufacture of flat glass having a glass refractory delivery piece and method of installation | Chemistry; Metallurgy | 10 | Expired |
| US4496387A | Transition between batch preheating and liquefying stages apparatus | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4836775A | Air cooled rotary kiln collar | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4521238A | Method and apparatus for controlling an ablation liquefaction process | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8268741B2 | Low solar absorbing blue glass, solar reflecting coated blue glass, and insulating unit having a low solar heat gain | Fixed Constructions | 5 | Active |
| US4696691A | Method of glass batch preheating and liquefying with recycling of particulates | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4707175A | Method of preheating pulverulent batch material | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4521235A | Method and apparatus for controlling wall layer thickness in a liquefaction process | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.