Inventor · disambiguated record
Hans-Joachim Rohrborn
Also filed as: ROEHRBORN HANS-JOACHIM · ROHRBORN HANS-JOACHIM
3 granted patents·55 citations·filing 1976–1988
70Inventor score
Files withMETALLGESELLSCHAFT AG3
Top patents by PatentIndex Score
3 records- 0178US4894093AProcess for producing barium sulfate with reactive surfaceMETALLGESELLSCHAFT AG·Filed 1988·Granted Jan 16, 1990·38 cites·8 claims
- 0249US4092407AProducing iron oxide weighting materials for drilling fluidsMETALLGESELLSCHAFT AG·Filed 1976·Granted May 30, 1978·15 cites·5 claims
- 0332US4060585AProcess for producing barium hydroxideMETALLGESELLSCHAFT AG·Filed 1976·Granted Nov 29, 1977·2 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Hans-Joachim Rohrborn 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 →