Inventor · disambiguated record
Ulf Engstrom
Also filed as: ENGSTROEM ULF · ENGSTROEM ULF F · ENGSTROEM ULF F I · ENGSTROM ULF
12 granted patents·4 pending applications·193 citations·filing 1981–2023
91Inventor score
Top patents by PatentIndex Score
16 records- 0194US4483905AHomogeneous iron based powder mixtures free of segregationHOEGANAES AB·Filed 1981·Granted Nov 20, 1984·91 cites·6 claims
- 0287US4676831APowder mixture containing talloil free of segregationHOEGANAES AB·Filed 1984·Granted Jun 30, 1987·44 cites·8 claims
- 0379US12168818B2Iron based powderHOEGANAES AB PUBL·Filed 2023·Granted Dec 17, 2024·0 cites·6 claims
- 0474US7341689B2Pre-alloyed iron based powderHOEGANAES AB·Filed 2005·Granted Mar 11, 2008·2 cites·20 claims
- 0560US11685979B2Iron based powderHOEGANAES AB PUBL·Filed 2017·Granted Jun 27, 2023·1 cites·10 claims
- 0651US6485677B1Method for making sintered products and a metal powder composition thereforHOEGANAES AB·Filed 1999·Granted Nov 26, 2002·13 cites·23 claims
- 0750US2016114392A1Iron-based powder and composition thereofHOEGANAES AB PUBL·Filed 2016·Application pending·0 cites
- 0848US4663262ACarrier for use in electrophotographic developersKANTO DENKA KOGYO KK·Filed 1985·Granted May 5, 1987·11 cites·11 claims
- 0947US2010154588A1Iron-based powder and composition thereofBERG SIGURD·Filed 2008·Application pending·0 cites
- 1046US5926686ASintered products having improved densityHOEGANAES AB·Filed 1995·Granted Jul 20, 1999·11 cites·27 claims
- 1144US4702772ASintered alloyHOEGANAES AB·Filed 1986·Granted Oct 27, 1987·8 cites·8 claims
- 1242US2003233911A1Pre-alloyed iron based powderFiled 2002·Application pending·0 cites
- 1341US4964909AHeat-insulating component and a method of making sameHOEGANAES AB·Filed 1987·Granted Oct 23, 1990·7 cites·11 claims
- 1439US2013136646A1Nitrided sintered steelsBERG SIGURD·Filed 2011·Application pending·0 cites
- 1531US4751164AMethod of making carrier for use in electrophotographic developersKANTO DENKA KOGYO KK·Filed 1987·Granted Jun 14, 1988·3 cites·3 claims
- 1628US4732835ACarrier for use in electrophotographic developersKANTO DENKA KOGYO KK·Filed 1986·Granted Mar 22, 1988·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →