Inventor · disambiguated record
Ingvar Hallgren
Also filed as: HAELLGREN INGVAR · HALLGREN INGVAR
18 granted patents·487 citations·filing 1998–2018
96Inventor score
Top patents by PatentIndex Score
18 records- 0195US6925993B1Apparatus for cleaning of crankcase gasALFA LAVAL CORP AB·Filed 2004·Granted Aug 9, 2005·72 cites·4 claims
- 0291US7056363B2Centrifugal separator for cleaning of a fluidALFA LAVAL CORP AB·Filed 2004·Granted Jun 6, 2006·37 cites·19 claims
- 0390US7033411B2Centrifugal separator for cleaning of a gaseous fluidALFA LAVAL CORP AB·Filed 2001·Granted Apr 25, 2006·38 cites·16 claims
- 0488US10226724B2Dust collector with a constant suction forceHUSQVARNA AB·Filed 2018·Granted Mar 12, 2019·4 cites·13 claims
- 0587US7875098B2Centrifugal separator for cleaning of gasALFA LAVAL CORP AB·Filed 2006·Granted Jan 25, 2011·17 cites·13 claims
- 0686US10052579B2Dust collector with a constant suction forceHUSQVARNA AB·Filed 2012·Granted Aug 21, 2018·7 cites·20 claims
- 0786US8172917B2Apparatus for the purification of gas while bleeding a crank housingKUP SERGE·Filed 2006·Granted May 8, 2012·23 cites·19 claims
- 0886US6183407B1Centrifugal separator having axially-extending, angled separation discsALFA LAVAL AB·Filed 1999·Granted Feb 6, 2001·81 cites·12 claims
- 0985US7022163B2Method of treating air on board on a vehicle, and a device for use when performing the methodALFA LAVAL CORP AB·Filed 2004·Granted Apr 4, 2006·38 cites·20 claims
- 1080US7081146B2Apparatus for simultaneous cleaning of a liquid and a gasALFA LAVAL CORP AB·Filed 2002·Granted Jul 25, 2006·26 cites·14 claims
- 1180US6755896B2Method of cleaning crankcase gas and a gas cleaning separatorALFA LAVAL CORP AB·Filed 2002·Granted Jun 29, 2004·43 cites·10 claims
- 1275US7156901B2Apparatus for simultaneous cleaning of a liquid and a gasALFA LAVAL CORP AB·Filed 2004·Granted Jan 2, 2007·32 cites·24 claims
- 1368US7476266B2Apparatus for cleaning of gasALFA LAVAL CORP AB·Filed 2003·Granted Jan 13, 2009·15 cites·13 claims
- 1458US7052529B2Method and a device for cleaning of crankcase gases coming from an internal combustion engine adapted for propelling a means of transportationALFA LAVAL CORP AB·Filed 2001·Granted May 30, 2006·9 cites·16 claims
- 1550US6312372B1Outlet of a centrifugal separator having a reaction driven rotorALFA LAVAL AB·Filed 2000·Granted Nov 6, 2001·6 cites·9 claims
- 1649US6508752B1Centrifugal separator having end walls and a central shaft to resist axially directed forcesALFA LAVAL AB·Filed 1998·Granted Jan 21, 2003·16 cites·7 claims
- 1748US6200252B1Reaction-driven centrifugal rotor with outlet chamber entrainment membersALFA LAVAL AB·Filed 1999·Granted Mar 13, 2001·14 cites·13 claims
- 1837US6217502B1Centrifugal separator having a liquid filled transmission chamberALFA LAVAL AB·Filed 1999·Granted Apr 17, 2001·9 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →