Polyfuel, Inc.
10Patents
1Active
10Granted
31Portfolio score
Filing activity: May 31, 2002 → Mar 11, 2005 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7094490B2 | Ion conductive block copolymers | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7005206B2 | Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6911411B2 | Catalyst agglomerates for membrane electrode assemblies | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7316855B2 | Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7202001B2 | Sulfonated copolymer | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7534515B2 | Acid-base proton conducting polymer blend membrane | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7354679B2 | Ion conductive random copolymers | Chemistry; Metallurgy | 2 | Expired |
| US7504461B2 | Ion-conductive copolymers containing one or more ion-conducting oligomers | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7507771B2 | Ion conductive copolymers containing one or more hydrophobic oligomers | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7572535B2 | Ion conductive copolymers containing one or more hydrophobic oligomers | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.