Inventor · disambiguated record
Jeffrey J. Ivarson
Also filed as: IVARSON JEFFREY J
15 granted patents·698 citations·filing 1986–2001
95Inventor score
Technology areasA45F
Top patents by PatentIndex Score
15 records- 0198USD416308SSafety filter elementDONALDSON CO INC·Filed 1998·Granted Nov 9, 1999·137 cites·1 claims
- 0298USD401306SFilter elementDONALDSON CO INC·Filed 1997·Granted Nov 17, 1998·109 cites·1 claims
- 0396USD414544SFilter elementDONALDSON CO INC·Filed 1998·Granted Sep 28, 1999·64 cites·1 claims
- 0496USD307296SPrinterVARITRONIC SYSTEMS INC·Filed 1986·Granted Apr 17, 1990·61 cites·1 claims
- 0592USD437110SBackpackFiled 2000·Granted Feb 6, 2001·123 cites·1 claims
- 0692USD412567SHousing for an air cleanerDONALDSON CO INC·Filed 1997·Granted Aug 3, 1999·45 cites·1 claims
- 0787USD420117SCoalescer filter with rear plateDONALDSON CO INC·Filed 1998·Granted Feb 1, 2000·31 cites·1 claims
- 0884USD407475SBody member for a housing for an air cleanerDONALDSON CO INC·Filed 1997·Granted Mar 30, 1999·27 cites·1 claims
- 0979USD410010SCoalescer filterDONALDSON CO INC·Filed 1998·Granted May 18, 1999·21 cites·1 claims
- 1076US6474524B1Backpack apparatusFiled 2000·Granted Nov 5, 2002·33 cites·54 claims
- 1169USD421110SBody member for a housing for an air cleanerDONALDSON CO INC·Filed 1998·Granted Feb 22, 2000·15 cites·1 claims
- 1259USD440645SBody member for a housing for an air cleanerDONALDSON CO INC·Filed 1999·Granted Apr 17, 2001·10 cites·1 claims
- 1358USD412568SCover for a housing for an air cleanerDONALDSON CO INC·Filed 1997·Granted Aug 3, 1999·10 cites·1 claims
- 1455USD462117SAir cleaner coverDONALDSON CO INC·Filed 2001·Granted Aug 27, 2002·9 cites·1 claims
- 1538USD314584SCombined thermal lettering and page layout printerVARITRONIC SYSTEMS INC·Filed 1989·Granted Feb 12, 1991·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →