Inventor · disambiguated record
Michael Hjelm
Also filed as: HJELM MICHAEL · HJELM MICHAEL J
3 granted patents·173 citations·filing 1973–2006
75Inventor score
Top patents by PatentIndex Score
3 records- 0194US7317970B2Remote sensing for building automationSIEMENS BUILDING TECH AG·Filed 2006·Granted Jan 8, 2008·142 cites·30 claims
- 0276US3940549AFire-resistant resinADVANCE COATINGS CO·Filed 1973·Granted Feb 24, 1976·21 cites·13 claims
- 0345US4019922AFire-resistant resinADVANCE COATINGS COMPANY·Filed 1976·Granted Apr 26, 1977·10 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →