Assignee
BIEN AIR
CH·8 granted patents·149 citations·filing 1981–2001
Top patents by PatentIndex Score
8 records- 0178US6734666B2Method of determining the angular position of a permanent magnet rotor of a polyphase electric motorBIEN AIR·Filed 2000·Granted May 11, 2004·22 cites·15 claims
- 0266US6319003B2Quick fit revolving connecting unit for connecting a dental instrument to a power supplyBIEN AIR·Filed 2001·Granted Nov 20, 2001·18 cites·10 claims
- 0366US4507085ADental instrument with handpieceBIEN AIR·Filed 1981·Granted Mar 26, 1985·38 cites·16 claims
- 0462US5059122ADental scalerBIEN AIR·Filed 1988·Granted Oct 22, 1991·22 cites·8 claims
- 0555US4760317AElectrical arrangement for driving a rotary tool fitted in a handpieceBIEN AIR·Filed 1987·Granted Jul 26, 1988·25 cites·12 claims
- 0646US6495937B2Brushless electric machine with means for detecting the angular position of the rotorBIEN AIR·Filed 2000·Granted Dec 17, 2002·5 cites·35 claims
- 0735US6337554B1Device for controlling an electric motorBIEN AIR·Filed 1999·Granted Jan 8, 2002·7 cites·28 claims
- 0835US6033220AMulti-purpose revolving connecting assemblyBIEN AIR·Filed 1997·Granted Mar 7, 2000·12 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →