Assignee
COMAIR ROTRON INC
US·27 granted patents·676 citations·filing 1986–2006
Top patents by PatentIndex Score
27 records- 0196US5188508ACompact fan and impellerCOMAIR ROTRON INC·Filed 1991·Granted Feb 23, 1993·172 cites·28 claims
- 0295US6509704B1Low profile motorCOMAIR ROTRON INC·Filed 1999·Granted Jan 21, 2003·100 cites·50 claims
- 0394US4656553AElectronically programmable universal brushless DC fan with integral tracking and locked rotor protectionCOMAIR ROTRON INC·Filed 1986·Granted Apr 7, 1987·88 cites·16 claims
- 0487US6437529B1Multi-stator motor with independent stator circuitsCOMAIR ROTRON INC·Filed 1998·Granted Aug 20, 2002·63 cites·24 claims
- 0587US6136250AApparatus and method of encapsulating motorsCOMAIR ROTRON INC·Filed 1998·Granted Oct 24, 2000·75 cites·18 claims
- 0667US7363882B2Condensation removal for use with a draft inducerCOMAIR ROTRON INC·Filed 2005·Granted Apr 29, 2008·5 cites·17 claims
- 0765US7659648B2Motor with raised rotorCOMAIR ROTRON INC·Filed 2004·Granted Feb 9, 2010·11 cites·5 claims
- 0862US5867005AAC motor winding circuitCOMAIR ROTRON INC·Filed 1997·Granted Feb 2, 1999·21 cites·40 claims
- 0961US6841112B1Balanced rotorCOMAIR ROTRON INC·Filed 2002·Granted Jan 11, 2005·7 cites·19 claims
- 1061US5947691AWinding supply circuit with current and thermal protective elementsCOMAIR ROTRON INC·Filed 1997·Granted Sep 7, 1999·30 cites·24 claims
- 1160US7245096B2Method and apparatus for controlling the speed of a DC motorCOMAIR ROTRON INC·Filed 2005·Granted Jul 17, 2007·9 cites·21 claims
- 1260US6646396B2Apparatus for motor synchronizationCOMAIR ROTRON INC·Filed 2001·Granted Nov 11, 2003·15 cites·22 claims
- 1359US4779330AMethod for manufacturing motor with stator on printed circuit assemblyCOMAIR ROTRON INC·Filed 1986·Granted Oct 25, 1988·23 cites·10 claims
- 1453US6577090B2DC voltage level shifterCOMAIR ROTRON INC·Filed 2001·Granted Jun 10, 2003·7 cites·19 claims
- 1552US5547339ATurbulator for a fluid impelling deviceCOMAIR ROTRON INC·Filed 1995·Granted Aug 20, 1996·23 cites·49 claims
- 1651US7314350B2Energy store circuit for controlling rotor rotationCOMAIR ROTRON INC·Filed 2003·Granted Jan 1, 2008·3 cites·27 claims
- 1748US7545249B2Magnetizing fixture with insulated coreCOMAIR ROTRON INC·Filed 2006·Granted Jun 9, 2009·0 cites·6 claims
- 1848US6741061B2Efficient statorCOMAIR ROTRON INC·Filed 2002·Granted May 25, 2004·3 cites·34 claims
- 1947US7541761B2Electric motor with integral regulator inductanceCOMAIR ROTRON INC·Filed 2006·Granted Jun 2, 2009·0 cites·7 claims
- 2047US7052271B2Draft inducer systemCOMAIR ROTRON INC·Filed 2003·Granted May 30, 2006·5 cites·11 claims
- 2142US7061353B2Magnetizing fixture with insulated coreCOMAIR ROTRON INC·Filed 2003·Granted Jun 13, 2006·0 cites·8 claims
- 2240US7309969B2Apparatus and method for starting an electric motorCOMAIR ROTRON INC·Filed 2005·Granted Dec 18, 2007·0 cites·26 claims
- 2340US6876110B2Electric motor stator current controllerCOMAIR ROTRON INC·Filed 2003·Granted Apr 5, 2005·3 cites·18 claims
- 2436US4779069AApparatus and method for making integral coaxial communication and rotor magnetsCOMAIR ROTRON INC·Filed 1987·Granted Oct 18, 1988·6 cites·7 claims
- 2528US7548007B2Rotor shaft couplingCOMAIR ROTRON INC·Filed 2004·Granted Jun 16, 2009·2 cites·27 claims
- 2627US5983750ARotating system with reduced transference of vibration and acoustics and method for reducing sameCOMAIR ROTRON INC·Filed 1998·Granted Nov 16, 1999·3 cites·7 claims
- 2724US5823068ARotating system with reduced transference of vibration and acoustics and method for reducing sameCOMAIR ROTRON INC·Filed 1996·Granted Oct 20, 1998·2 cites·12 claims
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