Assignee
ERICKSON FREDERICK L
US·6 granted patents·66 citations·filing 1976–1993
Top patents by PatentIndex Score
6 records- 0168US4437437ADual-expansion internal combustion cycle and engineERICKSON FREDERICK L·Filed 1982·Granted Mar 20, 1984·20 cites·53 claims
- 0263US4325331ADual-expansion internal combustion cycle and engineERICKSON FREDERICK L·Filed 1980·Granted Apr 20, 1982·18 cites·8 claims
- 0346US5341774ASelf supercharged two stroked cycle and engine having migrating combustion chambersERICKSON FREDERICK L·Filed 1993·Granted Aug 30, 1994·11 cites·20 claims
- 0444US4110060AHigh displacement-to-size ratio orbiting fluid mechanismERICKSON FREDERICK L·Filed 1976·Granted Aug 29, 1978·7 cites·10 claims
- 0537US4090817AHigh displacement-to-size ratio rotary fluid mechanismERICKSON FREDERICK L·Filed 1976·Granted May 23, 1978·5 cites·7 claims
- 0636US4353331ADual-expansion internal combustion engine utilizing an oscillating piston inside an oscillating pistonERICKSON FREDERICK L·Filed 1980·Granted Oct 12, 1982·5 cites·22 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →