Inventor · disambiguated record
Leif Hallgren
Also filed as: HAELLGREN LEIF · HALLGREN LEIF
6 granted patents·1 pending application·191 citations·filing 1978–2009
85Inventor score
Files withALFA LAVAL THERMAL2ALFA LAVAL AB1ALFA LAVAL CORP AB1ALFA LAVAL THERMAL AB1HALLGRENS IND AB1
Top patents by PatentIndex Score
7 records- 0185US5174370APlate evaporatorALFA LAVAL THERMAL·Filed 1991·Granted Dec 29, 1992·61 cites·10 claims
- 0278US5226474APlate evaporatorALFA LAVAL THERMAL·Filed 1991·Granted Jul 13, 1993·52 cites·2 claims
- 0374US4605060AHeat exchanger plateALFA LAVAL AB·Filed 1982·Granted Aug 12, 1986·30 cites·6 claims
- 0472USD272692SChild's security seat for vehiclesHALLGRENS IND AB·Filed 1982·Granted Feb 21, 1984·15 cites·1 claims
- 0565US5509471ADistribution pattern of a plate heat exchangerALFA LAVAL THERMAL AB·Filed 1993·Granted Apr 23, 1996·31 cites·9 claims
- 0653US2011083833A1Heat ExchangerALFA LAVAL CORP AB·Filed 2009·Application pending·0 cites
- 0724US4316679AGround stabilization equipmentLINDEN ALIMAK AB·Filed 1978·Granted Feb 23, 1982·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →