Inventor · disambiguated record
Jan Karlsson
Also filed as: KARLSSON JAN · KARLSSON JAN A G
30 granted patents·3 pending applications·573 citations·filing 1979–2014
97Inventor score
Top patents by PatentIndex Score
33 records- 0193US5304336AMethod of producing a volumetric flow control valveVOLVO AB·Filed 1991·Granted Apr 19, 1994·63 cites·12 claims
- 0290US4320304AApparatus for increasing the flow speed of a medium and for recovering its kinetic energyNEW ENVIRONMENT ENERGY DEV·Filed 1979·Granted Mar 16, 1982·122 cites·2 claims
- 0386US5421718AMethod for producing a volumetric flow central valueVOLVO AB·Filed 1994·Granted Jun 6, 1995·40 cites·9 claims
- 0486US4684316AImprovements in wind turbine having a wing-profiled diffusorVINDKRAFT GOETEBORG KB·Filed 1983·Granted Aug 4, 1987·67 cites·3 claims
- 0576USD373630SInhalation spacer for aerosol medicationAB ASTRA·Filed 1994·Granted Sep 10, 1996·20 cites·1 claims
- 0670US4646726AAnkle joint orthosisLANDSTINGENS INKOPSCENTRAL·Filed 1985·Granted Mar 3, 1987·103 cites·11 claims
- 0761US6488003B2Oil cooler for internal combustion enginesVOLVO CAR CORP·Filed 2001·Granted Dec 3, 2002·9 cites·10 claims
- 0860US5259356ADevice at internal combustion engine with fuel injectionVOLVO AB·Filed 1992·Granted Nov 9, 1993·20 cites·2 claims
- 0957US6761098B1Apparatus for emptying reels of web material fieldCORE LINK AB·Filed 2000·Granted Jul 13, 2004·18 cites·10 claims
- 1056US5255654ADevice to reduce gas exchange losses of an internal combustion engineVOLVO AB·Filed 1990·Granted Oct 26, 1993·15 cites·10 claims
- 1153US10196231B2Method and device for restoring of coresJENSEN JOERGEN·Filed 2011·Granted Feb 5, 2019·1 cites·14 claims
- 1252US5143038AInternal combustion engine with delayed chargingVOLVO AB·Filed 1991·Granted Sep 1, 1992·14 cites·5 claims
- 1351US9862565B2Method for removal of material residues from rolls with a material carrying coreCORE LINK AB·Filed 2013·Granted Jan 9, 2018·1 cites·10 claims
- 1450US9318294B2Device for rapid short-circuiting and earthing of the phases in a power networkKARLSSON JAN·Filed 2013·Granted Apr 19, 2016·1 cites·8 claims
- 1550US8935823B2Device for processing of coresCORE LINK AB·Filed 2013·Granted Jan 20, 2015·0 cites·4 claims
- 1649US6341598B1Device for regulating the temperature of the intake air of mixed compression internal combustion engines with a pressure boxMANN & HUMMEL FILTER·Filed 2001·Granted Jan 29, 2002·4 cites·4 claims
- 1747US6408815B2Internal combustion engine installation in a motor vehicleVOLVO CAR CORP·Filed 2001·Granted Jun 25, 2002·2 cites·9 claims
- 1846USD384147SRespiratory face maskAB ASTRA·Filed 1994·Granted Sep 23, 1997·5 cites·1 claims
- 1946US2016094028A1Arrangement and Method for Voltage ConversionSELDéN MAST AB·Filed 2014·Application pending·0 cites
- 2045US6591805B1Port system, especially an induction manifold for an internal combustion engineVOLVO CAR CORP AB·Filed 1999·Granted Jul 15, 2003·11 cites·11 claims
- 2143US4606568ASide lifting apparatusKALMAR LAST MASKIN VERKSTAD AB·Filed 1984·Granted Aug 19, 1986·10 cites·10 claims
- 2242USD372530SRespiratory face maskAB ASTRA·Filed 1994·Granted Aug 6, 1996·4 cites·1 claims
- 2342US5209209ADevice at intake systems for internal combustion enginesVOLVO AB·Filed 1992·Granted May 11, 1993·9 cites·6 claims
- 2440US2010242824A1Device at a Line WinchSELDEN MAST AB·Filed 2008·Application pending·0 cites
- 2540US2012084931A1Device for processing of coresKARLSSON JAN·Filed 2011·Application pending·0 cites
- 2636US4948930ALength-adjusting device on a switchVOLVO AB·Filed 1989·Granted Aug 14, 1990·3 cites·2 claims
- 2735US5967107AFlap valve for intake system for an internal combustion engineVOLVO AB·Filed 1996·Granted Oct 19, 1999·6 cites·7 claims
- 2833US5921212AIntake system for multi-cylinder combustion enginesVOLVO AB·Filed 1996·Granted Jul 13, 1999·4 cites·6 claims
- 2932US5535741AFace maskASTRA AB·Filed 1994·Granted Jul 16, 1996·15 cites·23 claims
- 3031US5542386AIntake system for multiple cylinder combustion enginesVOLVO AB·Filed 1994·Granted Aug 6, 1996·3 cites·4 claims
- 3129US6386184B1Internal combustion engine comprising at least one cylinder and individual intake passagesVOLVO AB·Filed 1998·Granted May 14, 2002·0 cites·17 claims
- 3227US5174171ALength adjustment deviceVOLVO AB·Filed 1991·Granted Dec 29, 1992·1 cites·12 claims
- 3315US4800693AHeat insulating window unit and insulating blocking component thereforBARRIER HB·Filed 1988·Granted Jan 31, 1989·2 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Jan Karlsson files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →