Assignee
ASTRA VENT AB
SE·10 granted patents·998 citations·filing 1985–1990
Top patents by PatentIndex Score
10 records- 0198US5180404ACorona discharge arrangements for the removal of harmful substances generated by the corona dischargeASTRA VENT AB·Filed 1989·Granted Jan 19, 1993·128 cites·12 claims
- 0298US5024685AElectrostatic air treatment and movement systemASTRA VENT AB·Filed 1987·Granted Jun 18, 1991·159 cites·17 claims
- 0394US5077500AAir transporting arrangementASTRA VENT AB·Filed 1988·Granted Dec 31, 1991·105 cites·5 claims
- 0494US5012159AArrangement for transporting airASTRA VENT AB·Filed 1988·Granted Apr 30, 1991·106 cites·24 claims
- 0594US4812711ACorona discharge air transporting arrangementASTRA VENT AB·Filed 1985·Granted Mar 14, 1989·105 cites·29 claims
- 0692US4955991AArrangement for generating an electric corona discharge in airASTRA VENT AB·Filed 1987·Granted Sep 11, 1990·96 cites·3 claims
- 0791US5006761AAir transporting arrangementASTRA VENT AB·Filed 1986·Granted Apr 9, 1991·80 cites·9 claims
- 0891US4967119AAir transporting arrangementASTRA VENT AB·Filed 1986·Granted Oct 30, 1990·87 cites·13 claims
- 0984US5053912AAir transporting arrangementASTRA VENT AB·Filed 1989·Granted Oct 1, 1991·48 cites·10 claims
- 1084US4976752AArrangement for generating an electric corona discharge in airASTRA VENT AB·Filed 1990·Granted Dec 11, 1990·84 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →