Inventor · disambiguated record
Richard H. Porterfield
Also filed as: PORTERFIELD RICHARD H
3 granted patents·129 citations·filing 1992–1997
75Inventor score
Technology areasB23D
Files withHEM INC3
Top patents by PatentIndex Score
3 records- 0188US5353910AShuttle vise assembly for a feed table apparatusHEM INC·Filed 1992·Granted Oct 11, 1994·67 cites·22 claims
- 0284US5787774ABandsaw apparatus with pivotally-mounted saw head assembly arm and methodHEM INC·Filed 1997·Granted Aug 4, 1998·54 cites·9 claims
- 0343US5526727ABandsaw apparatus with pivotally-mounted saw head assembly arm and methodHEM INC·Filed 1994·Granted Jun 18, 1996·8 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →