Inventor · disambiguated record
David L. Walsh
Also filed as: WALSH DAVID · WALSH DAVID L
5 granted patents·10 citations·filing 2009–2016
71Inventor score
Top patents by PatentIndex Score
5 records- 0186US9950302B1Stand-alone chemical dispenserCROSSFORD INT LLC·Filed 2015·Granted Apr 24, 2018·4 cites·6 claims
- 0283US9505037B2Portable coil cleaning and vacuum systemCROSSFORD INT LLC·Filed 2015·Granted Nov 29, 2016·3 cites·5 claims
- 0372US10179352B2Pivoting tube brushCROSSFORD INT LLC·Filed 2016·Granted Jan 15, 2019·1 cites·11 claims
- 0443US9517496B2Fire-tube boiler cleanerCROSSFORD INT LLC·Filed 2015·Granted Dec 13, 2016·0 cites·4 claims
- 0534USD620210SVacuum cleanerGOODWAY TECHNOLOGIES CORP·Filed 2009·Granted Jul 20, 2010·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →