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