Inventor · disambiguated record
James E. Steffen
Also filed as: STEFFEN JAMES E
21 granted patents·909 citations·filing 1987–2012
97Inventor score
Files withMINNESOTA MINING & MFG113M INNOVATIVE PROPERTIES CO2ABEL NATHAN A2DWYER GARY E2EASTMAN KODAK CO2
Top patents by PatentIndex Score
21 records- 0198US5656368AFibrous filtration face mask having corrugated polymeric microfiber filter layerMINNESOTA MINING & MFG·Filed 1995·Granted Aug 12, 1997·152 cites·13 claims
- 0297US6010766ACorrugated nonwoven webs of polymeric microfiber3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Jan 4, 2000·94 cites·7 claims
- 0397US5620545AMethod of making a corrugated nonwoven web of polymeric microfiberMINNESOTA MINING & MFG·Filed 1995·Granted Apr 15, 1997·118 cites·26 claims
- 0496US5763078AFilter having corrugated nonwoven webs of polymeric microfiberMINNESOTA MINING & MFG·Filed 1996·Granted Jun 9, 1998·83 cites·4 claims
- 0595US5804295AFibrous filtration face mask having corrugated polymeric microfiber filter layerMINNESOTA MINING & MFG·Filed 1997·Granted Sep 8, 1998·91 cites·19 claims
- 0692US5753343ACorrugated nonwoven webs of polymeric microfiberMINNESOTA MINING & MFG·Filed 1993·Granted May 19, 1998·50 cites·19 claims
- 0788USD347298SValve coverMINNESOTA MINING & MFG·Filed 1992·Granted May 24, 1994·31 cites·1 claims
- 0887US5773839ACassette for use in an electronic radiographic imaging systemIMATION CORP·Filed 1995·Granted Jun 30, 1998·53 cites·39 claims
- 0987US4997034AHeat exchangerMINNESOTA MINING & MFG·Filed 1987·Granted Mar 5, 1991·49 cites·20 claims
- 1081US5830311ACorrugating apparatusMINNESOTA MINING & MFG·Filed 1995·Granted Nov 3, 1998·25 cites·28 claims
- 1180US5440146ARadiographic image readerMINNESOTA MINING & MFG·Filed 1994·Granted Aug 8, 1995·53 cites·42 claims
- 1274US7167193B2Active cooling system for laser imagerEASTMAN KODAK CO·Filed 2003·Granted Jan 23, 2007·18 cites·8 claims
- 1371US5639700AThermal insulation containing corrugated nonwoven web of polymeric microfiberMINNESOTA MINING & MFG·Filed 1995·Granted Jun 17, 1997·16 cites·6 claims
- 1469US5961778ACorrugating apparatus3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted Oct 5, 1999·14 cites·13 claims
- 1566USD408838SMedical imagerIMATION CORP·Filed 1997·Granted Apr 27, 1999·14 cites·1 claims
- 1656USD690413SFilter cover for powered air purifying respiratorABEL NATHAN A·Filed 2012·Granted Sep 24, 2013·9 cites·1 claims
- 1755USD681190SFilter cover for powered air purifying respiratorDWYER GARY E·Filed 2012·Granted Apr 30, 2013·9 cites·1 claims
- 1855USD680641SFilter cover for powered air purifying respiratorDWYER GARY E·Filed 2012·Granted Apr 23, 2013·9 cites·1 claims
- 1948US6064416ALinear translation system for use in a laser imaging systemEASTMAN KODAK CO·Filed 1997·Granted May 16, 2000·12 cites·40 claims
- 2045US5955193AApparel containing corrugated microfiber-containing thermal insulationMINNESOTA MINING & MFG·Filed 1997·Granted Sep 21, 1999·7 cites·9 claims
- 2134USD690414SPowered air purifying respirator (PAPR) having control panelABEL NATHAN A·Filed 2012·Granted Sep 24, 2013·2 cites·1 claims
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