Inventor · disambiguated record
Erik Kalf
Also filed as: KALF ERIK · KALF ERIK W
7 granted patents·16 citations·filing 2015–2021
79Inventor score
Top patents by PatentIndex Score
7 records- 0185US10092465B2Caster wheel assembly and wheelchair comprising the samePERMOBIL AB·Filed 2017·Granted Oct 9, 2018·7 cites·12 claims
- 0281US10545784B2Virtual autocalibration of sensorsUSNR LLC·Filed 2018·Granted Jan 28, 2020·3 cites·20 claims
- 0379US11200084B2Virtual autocalibration of sensorsUSNR LLC·Filed 2019·Granted Dec 14, 2021·2 cites·19 claims
- 0466US11809894B2Virtual autocalibration of sensorsUSNR LLC·Filed 2021·Granted Nov 7, 2023·0 cites·19 claims
- 0562US10258522B2Seat arrangement and electrically powered wheelchair comprising the samePERMOBIL AB·Filed 2015·Granted Apr 16, 2019·2 cites·14 claims
- 0655US10201464B2Chassis arrangement for an electrically powered wheelchair and an electrically powered wheelchair comprising the samePERMOBIL AB·Filed 2015·Granted Feb 12, 2019·1 cites·7 claims
- 0754US10058466B2Chassis arrangement for an electrically powered wheelchair and an electrically powered wheelchair comprising the samePERMOBIL AB·Filed 2015·Granted Aug 28, 2018·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →