Inventor · disambiguated record
David A. Winslow
Also filed as: WINSLOW DAVID A · WINSLOW DAVID ANDREW
11 granted patents·1 pending application·147 citations·filing 2003–2013
90Inventor score
Top patents by PatentIndex Score
12 records- 0197US7931123B2Stepladder folding twin-stepWERNER CO·Filed 2004·Granted Apr 26, 2011·63 cites·6 claims
- 0294US7306075B2Dynamic hinge for ladderWERNER CO·Filed 2005·Granted Dec 11, 2007·24 cites·2 claims
- 0384US8490747B2Telescoping project trayWINSLOW DAVID A·Filed 2006·Granted Jul 23, 2013·21 cites·4 claims
- 0478US9272168B2Energy absorbers, connectors and horizontal lifeline systemsPARKER THOMAS W·Filed 2009·Granted Mar 1, 2016·8 cites·13 claims
- 0576US8261882B2Ladder leveler and methodDANGROW JOSEPH C·Filed 2006·Granted Sep 11, 2012·5 cites·7 claims
- 0675US8104578B2Stepladder folding twin-stepMOLDTHAN JASON R·Filed 2008·Granted Jan 31, 2012·6 cites·1 claims
- 0774US8616336B2Method for a ladder with a ladder levelerDANGROW JOSEPH C·Filed 2012·Granted Dec 31, 2013·5 cites·1 claims
- 0873US10072689B2Stanchion systems, stanchion attachment systems, and horizontal lifeline systems including stanchion systemsPARKER THOMAS W·Filed 2009·Granted Sep 11, 2018·3 cites·10 claims
- 0971US8256573B2Ladder leveler and methodDANGROW JOSEPH C·Filed 2006·Granted Sep 4, 2012·3 cites·7 claims
- 1060US7165649B2Positioning system for folding ladder and method of installation of folding ladder using positioning systemWERNER CO·Filed 2003·Granted Jan 23, 2007·9 cites·9 claims
- 1154US10760337B2Ladder leveler and methodDANGROW JOSEPH C·Filed 2013·Granted Sep 1, 2020·0 cites·12 claims
- 1245US2014097041A1Telescoping Project TrayWINSLOW DAVID A·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →