Inventor · disambiguated record
Helmut Grell
Also filed as: ENGELHARDT ACHIM · GRELL HELMUT · GRELL HELMUT K
3 granted patents·417 citations·filing 1977–1978
80Inventor score
Top patents by PatentIndex Score
3 records- 0190US4124026AProcedure and apparatus for screwing implants into bonesGARDNER DENVER GMBH·Filed 1977·Granted Nov 7, 1978·194 cites·13 claims
- 0289US4177524AMedical securement element with abrasive grains on thread surfacePFAUDLER WERKE AG·Filed 1977·Granted Dec 11, 1979·139 cites·11 claims
- 0376US4187559ABody joint endoprosthesisSYBRON CORP·Filed 1978·Granted Feb 12, 1980·84 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →