Inventor · disambiguated record
Dennis Vroegindeweij
Also filed as: VROEGINDEWEIJ DENNIS
7 granted patents·5 pending applications·28 citations·filing 2000–2018
80Inventor score
Technology areasB66B
Top patents by PatentIndex Score
12 records- 0162US6712192B1Staircase guide for a stairliftFREELIFT BV·Filed 2000·Granted Mar 30, 2004·14 cites·9 claims
- 0260US11198593B2Stairlift carriage and a stairliftDEVI GROUP BV·Filed 2018·Granted Dec 14, 2021·1 cites·20 claims
- 0356US11724914B2Rack for a stairway guide, and a method of providing a stairway guide comprising a rackDEVI GROUP B V·Filed 2018·Granted Aug 15, 2023·0 cites·6 claims
- 0447US7210563B2Guide for stairliftFREELIFT BV·Filed 2003·Granted May 1, 2007·6 cites·18 claims
- 0540US7523807B2Tilt mechanism for the movable part of a stairlift guideFREELIFT BV·Filed 2004·Granted Apr 28, 2009·3 cites·15 claims
- 0639US7568555B2Rail system for a stairlift with movable end sectionFREELIFT BV·Filed 2002·Granted Aug 4, 2009·3 cites·9 claims
- 0739US2011024237A1Slope lift for climbing or descending a slope or stairsFREELIFT BV·Filed 2008·Application pending·0 cites
- 0837US2008271953A1Incline Lift Unit and Incline LiftFREELIFT BV·Filed 2006·Application pending·0 cites
- 0935US2007235265A1Incline Lift Unit with Locking Device and Locking Device Intended for an Incline Lift UnitFREELIFT BV·Filed 2005·Application pending·0 cites
- 1031US2002074189A1Stairlift with guideFREELIFT BV·Filed 2001·Application pending·0 cites
- 1127USD898323SStair track railDEVI GROUP BV·Filed 2018·Granted Oct 6, 2020·1 cites·1 claims
- 1226US2014083801A1Transport Unit for Climbing or Descending a Slope or StairsVROEGINDEWEIJ DENNIS·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →