Inventor · disambiguated record

Sigfrid A. Tomchak

Also filed as: TOMCHAK SIGFRID A

3 granted patents·106 citations·filing 1976–1984

75Inventor score

Technology areasF16L F24S

Files withCUNO INCORPORATED1 PURE WATER INTERNATIONAL INC1 TOMCHAK SIGFRID A1

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3 records

0177US4085728ASolar energy heaterTOMCHAK SIGFRID A·Filed 1976·Granted Apr 25, 1978·51 cites·7 claims
0272US4599171AWater purifier fitting and systemPURE WATER INTERNATIONAL INC·Filed 1984·Granted Jul 8, 1986·42 cites·20 claims
0371USD291479SQuick-disconnect fitting or similar articleCUNO INCORPORATED·Filed 1984·Granted Aug 18, 1987·13 cites·1 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →