Inventor · disambiguated record
Robert Volnhals
Also filed as: VOLNHALS ROBERT
3 granted patents·2 pending applications·37 citations·filing 1996–2021
68Inventor score
Top patents by PatentIndex Score
5 records- 0191US11757210B2Stud/nut ground apparatus with a tin-zinc coatingNEWFREY LLC·Filed 2021·Granted Sep 12, 2023·3 cites·19 claims
- 0270US6338601B1Punch rivet, riveted joints produced with it, riveting tool and method of producing a riveted jointEMHART INC·Filed 1998·Granted Jan 15, 2002·31 cites·37 claims
- 0340US2002048487A1Punch rivet, riveted joints produced with it, riveting tool and method of producing a riveted jointFiled 2001·Application pending·0 cites
- 0440US2010232905A1Joining stud and fastening arrangementNEWFREY LLC·Filed 2010·Application pending·0 cites
- 0526US5834727AElectric welding deviceEMHART INC·Filed 1996·Granted Nov 10, 1998·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →