Inventor · disambiguated record
John Kowalchuk
Also filed as: KOWALCHUK JOHN
3 granted patents·44 citations·filing 1977–2018
71Inventor score
Technology areasC11D
Top patents by PatentIndex Score
3 records- 0170US4162994APowdered detergent compositions containing a calcium salt of an anionic surfactantLEVER BROTHERS LTD·Filed 1977·Granted Jul 31, 1979·28 cites·26 claims
- 0245US4137197APowdered detergent compositions containing a calcium salt of an anionic surfactantLEVER BROTHERS LTD·Filed 1977·Granted Jan 30, 1979·11 cites·25 claims
- 0342USD877864SClean out drainKOWALCHUK JOHN·Filed 2018·Granted Mar 10, 2020·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →