Inventor · disambiguated record
David R. Heilman
Also filed as: HEILMAN DAVID · HEILMAN DAVID R
3 granted patents·1 pending application·62 citations·filing 1976–2023
68Inventor score
Top patents by PatentIndex Score
4 records- 0186US10124281B2Filter assembly for retaining wall drain holesJET FILTER SYSTEMS LLC·Filed 2017·Granted Nov 13, 2018·11 cites·23 claims
- 0286US4010998AMatable electrical connector means with inertia lockGEN MOTORS CORP·Filed 1976·Granted Mar 8, 1977·51 cites·5 claims
- 0357US2024181375A1Filter assembly for earth retaining structuresJET FILTER SYSTEMS LLC·Filed 2023·Application pending·0 cites
- 0447US10731317B2Adjustable coupling mechanism for a filter assembly for a retaining wall drainage tubeJET FILTER SYSTEMS LLC·Filed 2019·Granted Aug 4, 2020·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →