Assignee
ALFA LAVAL CORP AB
SE·319 granted patents·105 pending applications·1,698 citations·filing 1999–2025
Top patents by PatentIndex Score
424 records- 0198US7824459B2Centrifugal separatorALFA LAVAL CORP AB·Filed 2007·Granted Nov 2, 2010·68 cites·24 claims
- 0298US7338546B2Centrifugal separator for cleaning gas generated by an internal combustion engine and a method for operating the sameALFA LAVAL CORP AB·Filed 2006·Granted Mar 4, 2008·66 cites·18 claims
- 0396US9791074B2Tube moduleALFA LAVAL CORP AB·Filed 2012·Granted Oct 17, 2017·22 cites·18 claims
- 0496US7824458B2Centrifugal separatorALFA LAVAL CORP AB·Filed 2007·Granted Nov 2, 2010·53 cites·30 claims
- 0596US7811347B2Centrifugal separatorALFA LAVAL CORP AB·Filed 2007·Granted Oct 12, 2010·60 cites·20 claims
- 0695US6925993B1Apparatus for cleaning of crankcase gasALFA LAVAL CORP AB·Filed 2004·Granted Aug 9, 2005·72 cites·4 claims
- 0794US9829259B2Heat exchanger plate and a plate heat exchangerALFA LAVAL CORP AB·Filed 2013·Granted Nov 28, 2017·18 cites·14 claims
- 0893US11079186B2Heat exchanger with sets of channels forming checkered patternALFA LAVAL CORP AB·Filed 2017·Granted Aug 3, 2021·11 cites·20 claims
- 0993US7704300B2Device and a method for cleaning of a gasALFA LAVAL CORP AB·Filed 2005·Granted Apr 27, 2010·19 cites·29 claims
- 1092USD976962SRotary positive-displacement pumpALFA LAVAL CORP AB·Filed 2021·Granted Jan 31, 2023·4 cites·1 claims
- 1192US9272241B2Combined cleaning system and method for reduction of SOX and NOX in exhaust gases from a combustion engineALFA LAVAL CORP AB·Filed 2013·Granted Mar 1, 2016·54 cites·17 claims
- 1291US12151250B2Centrifugal separation system and method having control based on pressureALFA LAVAL CORP AB·Filed 2019·Granted Nov 26, 2024·3 cites·20 claims
- 1391USD973722SRotary positive displacement pumpALFA LAVAL CORP AB·Filed 2021·Granted Dec 27, 2022·5 cites·1 claims
- 1491US9714591B2Crankcase gas separatorALFA LAVAL CORP AB·Filed 2012·Granted Jul 25, 2017·9 cites·16 claims
- 1591US7056363B2Centrifugal separator for cleaning of a fluidALFA LAVAL CORP AB·Filed 2004·Granted Jun 6, 2006·37 cites·19 claims
- 1691US6783571B2Method and a device for cleaning of crankcase gasALFA LAVAL CORP AB·Filed 2002·Granted Aug 31, 2004·43 cites·21 claims
- 1790US11156405B2Heat transfer plate and gasketALFA LAVAL CORP AB·Filed 2019·Granted Oct 26, 2021·6 cites·17 claims
- 1890US10960412B2Separation disc for a centrifugal separator having spot-formed spacing membersALFA LAVAL CORP AB·Filed 2017·Granted Mar 30, 2021·3 cites·20 claims
- 1990US9919385B2Material for joining and product produced therewithALFA LAVAL CORP AB·Filed 2017·Granted Mar 20, 2018·2 cites·18 claims
- 2090US7485084B2Apparatus and method for controlling the radial level of an interface in a centrifugal separatorALFA LAVAL CORP AB·Filed 2006·Granted Feb 3, 2009·40 cites·25 claims
- 2190US7033411B2Centrifugal separator for cleaning of a gaseous fluidALFA LAVAL CORP AB·Filed 2001·Granted Apr 25, 2006·38 cites·16 claims
- 2289US10989326B2Control of supply of air to a pneumatic valve actuatorALFA LAVAL CORP AB·Filed 2017·Granted Apr 27, 2021·7 cites·18 claims
- 2389US9702641B2Material for joining and product produced therewithALFA LAVAL CORP AB·Filed 2016·Granted Jul 11, 2017·2 cites·10 claims
- 2489US7191821B2Plate heat exchangerALFA LAVAL CORP AB·Filed 2003·Granted Mar 20, 2007·36 cites·22 claims
- 2589US7152589B2Method and a device for cleaning of crankcase gasALFA LAVAL CORP AB·Filed 2003·Granted Dec 26, 2006·86 cites·11 claims
- 2689US7022150B2Centrifugal separator having a rotor and driving means thereofALFA LAVAL CORP AB·Filed 2001·Granted Apr 4, 2006·40 cites·21 claims
- 2788US11639829B2Gasket and assembly for a plate heat exchangerALFA LAVAL CORP AB·Filed 2020·Granted May 2, 2023·2 cites·15 claims
- 2888US10962308B2Plate heat exchanger for solar heatingALFA LAVAL CORP AB·Filed 2017·Granted Mar 30, 2021·3 cites·20 claims
- 2988US10960411B2Separation disc for a centrifugal separator and a method for manufacturing the separation discALFA LAVAL CORP AB·Filed 2018·Granted Mar 30, 2021·2 cites·19 claims
- 3088US10427171B2Centrifugal separator having energy consumption reducing devicesALFA LAVAL CORP AB·Filed 2015·Granted Oct 1, 2019·2 cites·31 claims
- 3188US7455811B2Brazing material and brazed products manufactured therewithALFA LAVAL CORP AB·Filed 2002·Granted Nov 25, 2008·23 cites·18 claims
- 3287US12061054B2Heat exchanger plate and a plate heat exchangerALFA LAVAL CORP AB·Filed 2020·Granted Aug 13, 2024·2 cites·20 claims
- 3387US11530883B2Header for a heat exchanger and a heat exchangerALFA LAVAL CORP AB·Filed 2017·Granted Dec 20, 2022·4 cites·17 claims
- 3487US10532365B2Centrifugal separator having an outlet opening opposite a stack of separation disksALFA LAVAL CORP AB·Filed 2015·Granted Jan 14, 2020·2 cites·17 claims
- 3587US10234212B2Heat transfer plate and plate heat exchangerALFA LAVAL CORP AB·Filed 2015·Granted Mar 19, 2019·6 cites·18 claims
- 3687US7875098B2Centrifugal separator for cleaning of gasALFA LAVAL CORP AB·Filed 2006·Granted Jan 25, 2011·17 cites·13 claims
- 3787US7857036B2Method and device for assessing the risk of fluid leakage in a heat exchanger with sensorALFA LAVAL CORP AB·Filed 2009·Granted Dec 28, 2010·12 cites·6 claims
- 3886US11059092B2Method for joining heat transfer plates of a plate heat exchangerALFA LAVAL CORP AB·Filed 2017·Granted Jul 13, 2021·2 cites·19 claims
- 3986US10989486B2Heat transfer plate and plate heat exchanger comprising a plurality of such heat transfer platesALFA LAVAL CORP AB·Filed 2017·Granted Apr 27, 2021·4 cites·20 claims
- 4086US10512919B2Centrifugal separator having a drainage outlet downstream of an upstream portion of the gas outletALFA LAVAL CORP AB·Filed 2015·Granted Dec 24, 2019·2 cites·20 claims
- 4186US10173227B2Disc stack centrifugal separator with sealing arrangementALFA LAVAL CORP AB·Filed 2016·Granted Jan 8, 2019·2 cites·19 claims
- 4286US7927395B2Centrifugal separatorALFA LAVAL CORP AB·Filed 2008·Granted Apr 19, 2011·15 cites·12 claims
- 4385US9694434B2Plate heat exchangerALFA LAVAL CORP AB·Filed 2013·Granted Jul 4, 2017·3 cites·33 claims
- 4485US7789076B2Device for cleaning of crankcase gasesALFA LAVAL CORP AB·Filed 2005·Granted Sep 7, 2010·11 cites·30 claims
- 4585US7568516B2Method and device for assessing the risk of fluid leakage in a heat exchanger with sensorALFA LAVAL CORP AB·Filed 2005·Granted Aug 4, 2009·11 cites·3 claims
- 4685US7465341B2Apparatus for cleaning of a gasALFA LAVAL CORP AB·Filed 2004·Granted Dec 16, 2008·38 cites·8 claims
- 4785US7424908B2Plate pack, a plate heat exchanger, and a plate moduleALFA LAVAL CORP AB·Filed 2004·Granted Sep 16, 2008·26 cites·25 claims
- 4885US7022163B2Method 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
- 4984US9739542B2Heat transfer plate and plate heat exchanger comprising such a heat transfer plateALFA LAVAL CORP AB·Filed 2013·Granted Aug 22, 2017·4 cites·14 claims
- 5083US10724801B2Heat exchanger plate and a plate heat exchangerALFA LAVAL CORP AB·Filed 2016·Granted Jul 28, 2020·4 cites·19 claims
Showing the top 50 of 424 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when ALFA LAVAL CORP AB files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →