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
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →