Inventor · disambiguated record
Erich Surma
Also filed as: SURMA ERICH
2 granted patents·49 citations·filing 1979–1981
64Inventor score
Technology areasC09K
Files withHOECHST AG2
Top patents by PatentIndex Score
2 records- 0170US4283297ADe-icing composition on the basis of ethylene glycol and/or propylene glycol, water and ureaHOECHST AG·Filed 1979·Granted Aug 11, 1981·23 cites·9 claims
- 0265US4404113ACooling liquid with corrosion-inhibiting and cavitation-inhibiting additivesHOECHST AG·Filed 1981·Granted Sep 13, 1983·26 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Erich Surma 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 →