Inventor · disambiguated record
Ake O. V. Hellqvist
Also filed as: HELLQVIST AKE O V · HELLQVIST AKE O W · HELLQVIST AKE OSKAR VILHELM
4 granted patents·56 citations·filing 1975–1981
77Inventor score
Top patents by PatentIndex Score
4 records- 0156US4001108AMethod for natural biochemical decomposition of latrineHELLQVIST AKE O W·Filed 1975·Granted Jan 4, 1977·19 cites·8 claims
- 0255US4388192AProcess and a device for purifying waterCINDERELLA·Filed 1981·Granted Jun 14, 1983·21 cites·18 claims
- 0345US4132643ASludge and slime separating and settling deviceHELLQVIST AKE O V·Filed 1978·Granted Jan 2, 1979·13 cites·14 claims
- 0438USD246375SSewage tankHELLQVIST AKE OSKAR VILHELM·Filed 1976·Granted Nov 15, 1977·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →