Inventor · disambiguated record
David Chelchowski
Also filed as: CHELCHOWSKI DAVID
11 granted patents·3 pending applications·229 citations·filing 1991–2011
91Inventor score
Top patents by PatentIndex Score
14 records- 0190US6702336B1Coupling device for polymeric pipesFiled 2002·Granted Mar 9, 2004·46 cites·10 claims
- 0289US7455328B2Collet for pipe couplingCHELCHOWSKI DAVID·Filed 2004·Granted Nov 25, 2008·49 cites·13 claims
- 0387US7270351B2Pipe couplingCHELCHOWSKI DAVID·Filed 2005·Granted Sep 18, 2007·19 cites·5 claims
- 0480US6974162B2Pipe couplingCHELCHOWSKI DAVID·Filed 2003·Granted Dec 13, 2005·25 cites·11 claims
- 0571USD558037SO-ringPHILMAC PTY LTD·Filed 2006·Granted Dec 25, 2007·19 cites·1 claims
- 0671US5280803AA valve arrangementCAROMA IND LTD·Filed 1991·Granted Jan 25, 1994·37 cites·5 claims
- 0770US8764069B2Stepped down grip ring for use in pipe couplings and pipe coupling incorporating sameNEWALL PETER·Filed 2011·Granted Jul 1, 2014·6 cites·14 claims
- 0856US7846365B2Method of manufacture of a nut and tail assemblyPHILMAC PTY LTD·Filed 2009·Granted Dec 7, 2010·0 cites·11 claims
- 0956US7178838B2Nut and tail assemblyPHILMAC PTY LTD·Filed 2003·Granted Feb 20, 2007·6 cites·15 claims
- 1055US5502846AFlush tank mechanismCAROMA IND LTD·Filed 1994·Granted Apr 2, 1996·16 cites·9 claims
- 1150US2006214328A1Method of manufacture of a nut and tail assemblyPHILMAC PTY LTD·Filed 2006·Application pending·0 cites
- 1244US2004169370A1Coupling device for polymeric pipesFiled 2004·Application pending·0 cites
- 1344US2009127803A1Pipe Coupling Adapted for Sealing the End of a PipePHILMAC PTY LTD·Filed 2005·Application pending·0 cites
- 1442US6471183B2Ball valveFiled 2001·Granted Oct 29, 2002·6 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →