Assignee

EVANS FREDERICK C

2 granted patents·114 citations·filing 1980–1980

Technology mixF03D2 F05B2 Y02E2

Top patents by PatentIndex Score

2 records

0184US4299537AInterlinked variable-pitch blades for windmills and turbinesEVANS FREDERICK C·Filed 1980·Granted Nov 10, 1981·57 cites·9 claims
0284US4255085AFlow augmenters for vertical-axis windmills and turbinesEVANS FREDERICK C·Filed 1980·Granted Mar 10, 1981·57 cites·11 claims

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