Inventor · disambiguated record
Dirk Zylstra
Also filed as: ZYLSTRA DIRK
10 granted patents·1 pending application·85 citations·filing 1986–2024
86Inventor score
Top patents by PatentIndex Score
11 records- 0185US8840528B2Portable neck exercise deviceZYLSTRA DIRK·Filed 2013·Granted Sep 23, 2014·22 cites·20 claims
- 0284US11940121B2Light fixture for ceiling gridABL IP HOLDING LLC·Filed 2022·Granted Mar 26, 2024·1 cites·19 claims
- 0379US7468019B2Neck exercise machineZYLSTRA DIRK·Filed 2007·Granted Dec 23, 2008·22 cites·3 claims
- 0470US12209731B2Light fixture for ceiling gridABL IP HOLDING LLC·Filed 2024·Granted Jan 28, 2025·0 cites·20 claims
- 0569US4689936AProcess for the packaging of products, using a heat treatment, and closed container with packed products, obtained using a heat treatmentWAVIN BV·Filed 1986·Granted Sep 1, 1987·35 cites·8 claims
- 0660US11226083B2Toroidal non-glary luminaireABL IP HOLDING LLC·Filed 2020·Granted Jan 18, 2022·1 cites·23 claims
- 0755US11708960B1Light fixtures with pliable diffuser shadeABL IP HOLDING LLC·Filed 2022·Granted Jul 25, 2023·0 cites·21 claims
- 0843USD912876SLight fixtureABL IP HOLDING LLC·Filed 2019·Granted Mar 9, 2021·4 cites·1 claims
- 0941US2024052992A1Collapsible Light Fixtures With Pliable Diffuser And ReflectorABL IP HOLDING LLC·Filed 2022·Application pending·0 cites
- 1034USD1101247SCeiling light fixtureABL IP HOLDING LLC·Filed 2022·Granted Nov 4, 2025·0 cites·1 claims
- 1134USD1088321SWall light fixtureABL IP HOLDING LLC·Filed 2022·Granted Aug 12, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →