Inventor · disambiguated record
Frank Zumkehr
Also filed as: ZUMKEHR FRANK
3 granted patents·7 pending applications·26 citations·filing 2004–2021
65Inventor score
Top patents by PatentIndex Score
10 records- 0167US7036369B2Thermal flow sensor having recesses in a substrateCODMAN & SHURTLEFF·Filed 2004·Granted May 2, 2006·16 cites·30 claims
- 0251US7069779B2Thermal flow sensor having an inverted substrateCODMAN & SHURTLEFF·Filed 2004·Granted Jul 4, 2006·10 cites·8 claims
- 0347US12279818B2Ophthalmologic microscope with at least one controlled manual degree of freedomHAAG AG STREIT·Filed 2019·Granted Apr 22, 2025·0 cites·22 claims
- 0441US2020154998A1Test Method for a DisposableHAAG AG STREIT·Filed 2019·Application pending·0 cites
- 0539US2024274250A1Ophthalmic microscope with improved documentation capabilityHAAG AG STREIT·Filed 2021·Application pending·0 cites
- 0638US2024032791A1Ophthalmic workstationHAAG AG STREIT·Filed 2020·Application pending·0 cites
- 0734US2022222970A1Ophthalmologic device with image storageHAAG AG STREIT·Filed 2019·Application pending·0 cites
- 0834US2006000272A1Thermal flow sensor having an asymmetric designNEUENSCHWANDER BEAT·Filed 2004·Application pending·0 cites
- 0934US2019223718A1Eye examining deviceHAAG AG STREIT·Filed 2019·Application pending·0 cites
- 1033US2023061628A1Ophthalmologic microscope with synchronized light source and cameraHAAG AG STREIT·Filed 2020·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Frank Zumkehr files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →