Inventor · disambiguated record
David Ristau
Also filed as: RISTAU DAVID · RISTAU DAVID C
4 granted patents·1 pending application·666 citations·filing 1996–2023
76Inventor score
Top patents by PatentIndex Score
5 records- 0195US5828770ASystem for determining the spatial position and angular orientation of an objectNORTHERN DIGITAL INC·Filed 1996·Granted Oct 27, 1998·660 cites·10 claims
- 0269US9677673B2Balanced double seated globe valve with flexible plubSPX CORP·Filed 2014·Granted Jun 13, 2017·4 cites·10 claims
- 0366US2023286086A1Systems and Methods for Manufacturing a Stack TrimCELEROS FLOW TECH LLC·Filed 2023·Application pending·0 cites
- 0458US11691231B2Systems and methods for manufacturing a stack trimCELEROS FLOW TECH LLC·Filed 2021·Granted Jul 4, 2023·0 cites·10 claims
- 0555US8469341B2Desuperheater seat-ring apparatusRISTAU DAVID·Filed 2010·Granted Jun 25, 2013·2 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when David Ristau 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 →