Inventor · disambiguated record
Frank Steffen
Also filed as: STEFFEN FRANK
5 granted patents·2 pending applications·72 citations·filing 1984–2025
78Inventor score
Top patents by PatentIndex Score
7 records- 0194US11888793B2Systems and methods for intelligent delivery of communicationsOPEN TEXT HOLDINGS INC·Filed 2022·Granted Jan 30, 2024·5 cites·20 claims
- 0278US12335210B2Systems and methods for intelligent delivery of communicationsOPEN TEXT HOLDINGS INC·Filed 2023·Granted Jun 17, 2025·0 cites·20 claims
- 0374US2025279974A1Systems and methods for intelligent delivery of communicationsOPEN TEXT HOLDINGS INC·Filed 2025·Application pending·0 cites
- 0472US4618987ALarge-area acoustic radiation systemDEUTSCHE POST RUNDFUNK·Filed 1984·Granted Oct 21, 1986·34 cites·12 claims
- 0567US2025202855A1Systems and methods for intelligent delivery of communicationsOPEN TEXT HOLDINGS INC·Filed 2025·Application pending·0 cites
- 0659US12273310B2Systems and methods for intelligent delivery of communicationsOPEN TEXT HOLDINGS INC·Filed 2022·Granted Apr 8, 2025·0 cites·17 claims
- 0750US6366679B1Multi-channel sound transmission methodDEUTSCHE TELEKOM AG·Filed 1997·Granted Apr 2, 2002·33 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →