Inventor · disambiguated record
Johannes Van Leeuwen
Also filed as: VAN LEEUWEN JOHANNES · VAN LEEUWEN JOHANNES CORNELIS · VAN LEEUWEN JOHANNES CORNELIS HENDRIKUS
8 granted patents·1 pending application·138 citations·filing 1975–2006
87Inventor score
Top patents by PatentIndex Score
9 records- 0190US7402253B2Controlled bypass flow and ozone proportion method and systemNUTECH 03 INC·Filed 2005·Granted Jul 22, 2008·19 cites·26 claims
- 0288US4031330ADigital radio transmission systemPHILIPS CORP·Filed 1975·Granted Jun 21, 1977·47 cites·10 claims
- 0387US7416660B2Bypass flow and ozone proportion method and systemNUTECH 03 INC·Filed 2005·Granted Aug 26, 2008·15 cites·7 claims
- 0487US7407592B2Ozone retention method and systemNUTECH 03 INC·Filed 2005·Granted Aug 5, 2008·14 cites·16 claims
- 0587US7381338B2Ballast water treatment system and method without off-gasNUTECH 03 INC·Filed 2005·Granted Jun 3, 2008·18 cites·20 claims
- 0669US4470903AApparatus for the flotation of flocculated solid material in a liquidESMIL BV·Filed 1981·Granted Sep 11, 1984·23 cites·4 claims
- 0746US2007284310A1Method and system for purifying ethanolVAN LEEUWEN JOHANNES·Filed 2006·Application pending·0 cites
- 0839US8989171B2Wireless audio transmission system and methodZWART WILLEM·Filed 2004·Granted Mar 24, 2015·1 cites·26 claims
- 0928US4390430AApparatus for scraping sludge from the surface of a body of liquidESMIL BV·Filed 1981·Granted Jun 28, 1983·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →