Inventor · disambiguated record
Vaughn B. Grannis
Also filed as: GRANNIS VAUGHN B
16 granted patents·2 pending applications·1,216 citations·filing 1987–2007
96Inventor score
Top patents by PatentIndex Score
18 records- 0198USD378610SFull face respiratorMINNESOTA MINING & MFG·Filed 1995·Granted Mar 25, 1997·131 cites·1 claims
- 0297US6843248B2Filtering face mask that has a new exhalation valve3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Jan 18, 2005·80 cites·43 claims
- 0397US5325892AUnidirectional fluid valveMINNESOTA MINING & MFG·Filed 1992·Granted Jul 5, 1994·216 cites·16 claims
- 0496US5924420AFull face respirator mask having integral connectors disposed in lens areaMINNESOTA MINING & MFG·Filed 1996·Granted Jul 20, 1999·249 cites·8 claims
- 0594US7117868B1Fibrous filtration face mask having a new unidirectional fluid valve3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Oct 10, 2006·75 cites·16 claims
- 0693US5509436AUnidirectional fluid valveMINNESOTA MINING & MFG·Filed 1995·Granted Apr 23, 1996·96 cites·16 claims
- 0792US7311104B2Method of making a filtering face mask that has an exhalation valve3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Dec 25, 2007·39 cites·23 claims
- 0891US6216693B1Respirator having a compressible press fir filter element3M INNOVATIVE PROPERTIES CO·Filed 1995·Granted Apr 17, 2001·101 cites·27 claims
- 0988US6854463B2Filtering face mask that has a new exhalation valve3M INNOVATIVE PROPERTIES CO·Filed 1994·Granted Feb 15, 2005·72 cites·44 claims
- 1087US7428903B1Fibrous filtration face mask having a new unidirectional fluid valve3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Sep 30, 2008·35 cites·21 claims
- 1187US4997034AHeat exchangerMINNESOTA MINING & MFG·Filed 1987·Granted Mar 5, 1991·49 cites·20 claims
- 1282US7493900B1Fibrous filtration face mask having a new unidirectional fluid valve3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Feb 24, 2009·25 cites·53 claims
- 1371USD426298SFull-face respirator lens3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted Jun 6, 2000·16 cites·1 claims
- 1468USD379160SBuckleMINNESOTA MINING & MFG·Filed 1995·Granted May 13, 1997·14 cites·1 claims
- 1563USD388872SFull face respirator lensMINNESOTA MINING & MFG·Filed 1996·Granted Jan 6, 1998·12 cites·1 claims
- 1659US2007119459A1Method Of Making A Filtering Face Mask Having New Exhalation Valve3M INNOVATIVE PROPERTIES CO·Filed 2007·Application pending·0 cites
- 1747USD409744SFull face respirator lensMINNESOTA MINING & MFG·Filed 1997·Granted May 11, 1999·6 cites·1 claims
- 1843US2001013347A1Respirator having a compressible press fit filter element3M INNOVATIVE PROPERTIES CO·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →