Inventor · disambiguated record
Donald W. Wartluft
Also filed as: WARTLUFT DONALD W · WARTLUFT Donald Wayne
10 granted patents·1 pending application·444 citations·filing 1993–2021
91Inventor score
Top patents by PatentIndex Score
11 records- 0193US5975587APlastic pipe repair fitting and connection apparatusCONTINENTAL IND INC·Filed 1998·Granted Nov 2, 1999·144 cites·5 claims
- 0287US5366260APlastic pipe couplerCONTINENTAL IND INC·Filed 1993·Granted Nov 22, 1994·68 cites·9 claims
- 0386US5791698APlastic pipe coupler with internal sealerCONTINENTAL IND INC·Filed 1997·Granted Aug 11, 1998·68 cites·9 claims
- 0483US6877777B1Insertion sleeve and stiffener for a pipe couplingCONTINENTAL IND INC·Filed 2003·Granted Apr 12, 2005·31 cites·6 claims
- 0580US5692785APlastic pipe coupler with internal sealerCONTINENTAL IND INC·Filed 1996·Granted Dec 2, 1997·55 cites·6 claims
- 0666US12404961B2Pipe fittingsHUBBELL INC·Filed 2021·Granted Sep 2, 2025·0 cites·16 claims
- 0765US5853272APlastic pipe end forming toolCONTINENTAL IND INC·Filed 1997·Granted Dec 29, 1998·28 cites·11 claims
- 0862US6050613ACombined plastic pipe coupler and end plugCONTINENTAL IND INC·Filed 1998·Granted Apr 18, 2000·28 cites·11 claims
- 0957US11060647B2Pipe fittingsHUBBELL INC·Filed 2017·Granted Jul 13, 2021·0 cites·15 claims
- 1055US5524940APipe coupler deviceCONTINENTAL IND INC·Filed 1995·Granted Jun 11, 1996·22 cites·15 claims
- 1133US2002094247A1Pipe end chamfering tool and measurement deviceFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →