Inventor · disambiguated record
Mark Kowalak
Also filed as: KOWALAK MARK · KOWALAK MARK P
8 granted patents·2 pending applications·51 citations·filing 1997–2023
84Inventor score
Files withCRANE PUMPS & SYSTEMS INC6CRANE PUMPS1CRANE PUMPS & SYSTEMS PFT CORP1KOWALAK MARK1SENSEL DANIEL L1
Top patents by PatentIndex Score
10 records- 0163US7357341B2Two stage sewage grinder pumpCRANE PUMPS & SYSTEMS INC·Filed 2004·Granted Apr 15, 2008·17 cites·11 claims
- 0261US8128360B2Vortex pump with splitter blade impellerSENSEL DANIEL L·Filed 2008·Granted Mar 6, 2012·7 cites·15 claims
- 0358US7578657B2Enclosed pump switch level control systemCRANE PUMPS & SYSTEMS INC·Filed 2003·Granted Aug 25, 2009·11 cites·14 claims
- 0454US9181960B2Guide liner for break-away fittingKOWALAK MARK·Filed 2012·Granted Nov 10, 2015·1 cites·12 claims
- 0549US12480526B2Pump with impeller for circulating cooling fluid and related impellerCRANE PUMPS & SYSTEMS PFT CORP·Filed 2023·Granted Nov 25, 2025·0 cites·13 claims
- 0647US7931473B2Multi-voltage pump with discreet voltage cordsCRANE PUMPS & SYSTEMS INC·Filed 2009·Granted Apr 26, 2011·2 cites·22 claims
- 0746US2015285252A1Grinder pump with regenerative impellerCRANE PUMPS & SYSTEMS INC·Filed 2013·Application pending·0 cites
- 0838USD847863SSlicer blade and striker plate assembly for a centrifugal pumpCRANE PUMPS & SYSTEMS INC·Filed 2017·Granted May 7, 2019·5 cites·1 claims
- 0935US2006060685A1Grinder pump systemCRANE PUMPS·Filed 2004·Application pending·0 cites
- 1030US6076399ALevel switch filter for sewer basinCRANE PUMPS & SYSTEMS INC·Filed 1997·Granted Jun 20, 2000·8 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →