Inventor · disambiguated record
Karl S. H. Hultgren
Also filed as: HULTGREN KARL S H · HULTGREN KARL STEN RUDOLF
3 granted patents·24 citations·filing 1975–1982
67Inventor score
Top patents by PatentIndex Score
3 records- 0147US4065999AMagazine for tankBOFORS AB·Filed 1975·Granted Jan 3, 1978·10 cites·9 claims
- 0241US4407357AThin sheet metal heat exchangerHULTGREN KARL S H·Filed 1980·Granted Oct 4, 1983·12 cites·12 claims
- 0322US4516562AArrangement in combustion chambers for burning solid fuelHULTGREN KARL S H·Filed 1982·Granted May 14, 1985·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →