Inventor · disambiguated record
David E. Plotner
Also filed as: PLOTNER DAVID E · Plotner David
9 granted patents·2 pending applications·116 citations·filing 1994–2023
89Inventor score
Top patents by PatentIndex Score
11 records- 0181US6994184B2Stowable ladder configured for installation in an openingWERNER CO·Filed 2003·Granted Feb 7, 2006·25 cites·11 claims
- 0280US2024218740A1Box rail backup and methodWERNER CO·Filed 2023·Application pending·0 cites
- 0379US11885181B2Box rail backup and methodWERNER CO·Filed 2020·Granted Jan 30, 2024·1 cites·10 claims
- 0473US6991063B2Stowable ladder configured for installation in an openingWERNER CO·Filed 2003·Granted Jan 31, 2006·18 cites·45 claims
- 0573USD372105SLadder pail shelfWERNER CO·Filed 1995·Granted Jul 23, 1996·19 cites·1 claims
- 0660US7165649B2Positioning 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
- 0759US7234203B2Locking hinge for folding ladderWERNER CO·Filed 2003·Granted Jun 26, 2007·8 cites·6 claims
- 0854US2022195801A1Rotatable top tray on a stepping structureSPARTNER GROUP INC·Filed 2021·Application pending·0 cites
- 0951US5791439ALadder, member for connecting a rail to a horizontal element of a ladder, and method, and apparatus and method for holding a washerWERNER CO·Filed 1995·Granted Aug 11, 1998·17 cites·28 claims
- 1049US5636706ALadder, member for connecting a rail to a horizontal element of a ladder, and methodWERNER CO·Filed 1994·Granted Jun 10, 1997·14 cites·16 claims
- 1133US6142255ALadder, member for connecting a rail to a horizontal element of a ladder, and methodWERNER CO·Filed 1997·Granted Nov 7, 2000·5 cites·21 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →