Inventor · disambiguated record
Thomas C. Piotrowski
Also filed as: PIOTROWSKI THOMAS C
5 granted patents·77 citations·filing 1995–2005
80Inventor score
Top patents by PatentIndex Score
5 records- 0177US6056005AVent valve with liquid sealPROTECTOSEAL CO·Filed 1997·Granted May 2, 2000·44 cites·13 claims
- 0250US6244457B1Gauge hatch with diaphragm and liquid sealPROTECTOSEAL CO·Filed 1997·Granted Jun 12, 2001·14 cites·15 claims
- 0347US6629621B1Gauge hatch with liquid sealPROTECTOSEAL CO·Filed 2001·Granted Oct 7, 2003·4 cites·6 claims
- 0444US8317049B2Vacuum breaker arrangement with externally protruding collapsible valve partPIOTROWSKI THOMAS C·Filed 2005·Granted Nov 27, 2012·2 cites·14 claims
- 0542US5660204ATank blanketing valvePROTECTOSEAL CO·Filed 1995·Granted Aug 26, 1997·13 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →