Inventor · disambiguated record
Bert G. Levefelt
Also filed as: LEVEFELT BERT G
8 granted patents·198 citations·filing 1978–1991
89Inventor score
Top patents by PatentIndex Score
8 records- 0182US4183417ARoller bit seal excluded from cuttings by air dischargeSANDVIK AB·Filed 1978·Granted Jan 15, 1980·35 cites·6 claims
- 0278US4784517AMethod and device for working of road surfacesSANDVIK AB·Filed 1985·Granted Nov 15, 1988·45 cites·16 claims
- 0372US4938538AExcavating tool cutting insertSANTRADE LTD·Filed 1984·Granted Jul 3, 1990·30 cites·10 claims
- 0471US5161859AExcavating tool cutting insertSANTRADE LTD·Filed 1991·Granted Nov 10, 1992·39 cites·9 claims
- 0553US4272134ARotary drill bitSANDVIK AB·Filed 1979·Granted Jun 9, 1981·18 cites·10 claims
- 0647US4284151ALubricating deviceSANDVIK AB·Filed 1979·Granted Aug 18, 1981·9 cites·9 claims
- 0744US4184554ACheck valve for rock drillSANDVIK AB·Filed 1978·Granted Jan 22, 1980·12 cites·7 claims
- 0839US4621870ASupport for a cutting tool for cutting hard materialSANTRADE LTD·Filed 1985·Granted Nov 11, 1986·10 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →