Assignee
BIELEFELDT ERNST AUGUST
DE·4 granted patents·217 citations·filing 1987–1991
Top patents by PatentIndex Score
4 records- 0196US4895582AVortex chamber separatorBIELEFELDT ERNST AUGUST·Filed 1989·Granted Jan 23, 1990·97 cites·14 claims
- 0294US4801310AVortex chamber separatorBIELEFELDT ERNST AUGUST·Filed 1987·Granted Jan 31, 1989·69 cites·8 claims
- 0386US4848991AVortex chamber separatorBIELEFELDT ERNST AUGUST·Filed 1988·Granted Jul 18, 1989·45 cites·13 claims
- 0436US5163986AVortex chamber separatorBIELEFELDT ERNST AUGUST·Filed 1991·Granted Nov 17, 1992·6 cites·17 claims
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