ElkCorp
🏢 View company profile →14Patents
4Active
14Granted
35Portfolio score
Filing activity: Oct 26, 2001 → Aug 30, 2010 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6915662B2 | Hydrocarbon gas processing | Emerging Cross-Sectional Technologies | 74 | Expired |
| US6936329B2 | Fastener-free composite roofing product | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6742358B2 | Natural gas liquefaction | Mechanical Engineering; Lighting; Heating | 55 | Expired |
| US7010937B2 | Natural gas liquefaction | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US6889523B2 | LNG production in cryogenic natural gas processing plants | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US6945075B2 | Natural gas liquefaction | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US7563733B2 | Composite material | Emerging Cross-Sectional Technologies | 15 | Expired |
| US8017531B2 | Composite material | Emerging Cross-Sectional Technologies | 15 | Expired |
| US8030229B2 | Composite material | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7361617B2 | Fire resistant composite material and fabrics therefrom | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8987149B2 | Fire resistant composite material and fabrics made therefrom | Emerging Cross-Sectional Technologies | 1 | Active |
| US8822356B2 | Fire resistant composite material and fabrics made therefrom | Emerging Cross-Sectional Technologies | 0 | Active |
| US8822355B2 | Fire resistant composite material and fabrics made therefrom | Emerging Cross-Sectional Technologies | 0 | Active |
| US9435074B2 | Fire resistant composite material and fabrics made therefrom | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.