Inventor · disambiguated record
Hendrikus Maria Petro Johannes Helena Groels
Also filed as: GROELS HENDRIKUS MARIA PETRO JOHANNES HELENA
3 granted patents·4 citations·filing 2006–2020
53Inventor score
Technology areasA63G
Top patents by PatentIndex Score
3 records- 0145US8065963B2Fairground attraction having people carriers driftingly movable along a trackGROELS HENDRIKUS MARIA PETRO JOHANNES HELENA·Filed 2006·Granted Nov 29, 2011·4 cites·13 claims
- 0240US11130067B2Swing ride attraction with control means for controlling the swingKIG HEERENVEEN BV·Filed 2020·Granted Sep 28, 2021·0 cites·9 claims
- 0337US10967282B2Attraction for entertainment ridesKIG HEERENVEEN BV·Filed 2019·Granted Apr 6, 2021·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →