Inventor · disambiguated record
Patrick R.T. Hjort
Also filed as: HJORT PATRICK · HJORT PATRICK R T
4 granted patents·4 pending applications·5 citations·filing 2018–2023
60Inventor score
Files with3M INNOVATIVE PROPERTIES COMPANY8
Top patents by PatentIndex Score
8 records- 0179US11582548B2Cushion for a hearing protector or audio headset3M INNOVATIVE PROPERTIES COMPANY·Filed 2018·Granted Feb 14, 2023·5 cites·18 claims
- 0263US12426656B2Hearing protection device, collision warning system and method of retrofitting a hearing protection device with a detection unit3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Sep 30, 2025·0 cites·18 claims
- 0356US12102507B2Ear cushion system with fluid flow, ear cushion, fluid guide device, headset and headgear with such system3M INNOVATIVE PROPERTIES COMPANY·Filed 2020·Granted Oct 1, 2024·0 cites·17 claims
- 0451US12376996B2Hearing protector with sensor module and method of retrofitting a hearing protector with a sensor module3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Aug 5, 2025·0 cites·15 claims
- 0551US2025140248A1Hearing protection device with haptic sensing and method of operating a hearing protection device3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Application pending·0 cites
- 0649US2025227587A1Communication systems and methods for personal protection devices3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 0748US2025367035A1Hearing protector with photovoltaic element and method of retrofitting a hearing protector therewith3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 0842US2023410808A1Personal protective device with local voice recognition and method of processing a voice signal therein3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →