Inventor · disambiguated record
Elfed I. Williams
Also filed as: WILLIAMS ELFED I
11 granted patents·649 citations·filing 1996–2005
94Inventor score
Top patents by PatentIndex Score
11 records- 0198US5724677AMulti-part headband and respirator mask assembly and process for making sameMINNESOTA MINING & MFG·Filed 1996·Granted Mar 10, 1998·148 cites·19 claims
- 0295US7069931B2Method of making a filtering face mask that has an exhalation valve attached thereto3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Jul 4, 2006·31 cites·22 claims
- 0394US6148817AMulti-part headband and respirator mask assembly and process for making same3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted Nov 21, 2000·94 cites·31 claims
- 0490US6874499B2Filter element that has a thermo-formed housing around filter material3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Apr 5, 2005·54 cites·22 claims
- 0589US6125849ARespiratory masks having valves and other components attached to the mask by a printed patch of adhesive3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted Oct 3, 2000·96 cites·20 claims
- 0687US7007695B2Manner of attaching component elements to filtration material such as may be utilized in respiratory masks3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Mar 7, 2006·30 cites·42 claims
- 0786US6286144B1Protective garments incorporating bands of welded or adhesively-bonded elastomeric material3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted Sep 11, 2001·64 cites·21 claims
- 0885US6959709B2Manner of attaching component elements to filtration material such as may be utilized in respiratory masks3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Nov 1, 2005·30 cites·50 claims
- 0982US6070579AElastomeric composite headband3M INNOVATIVE PROPERTIES CO·Filed 1996·Granted Jun 6, 2000·66 cites·41 claims
- 1071US6604524B1Manner of attaching component elements to filtration material such as may be utilized in respiratory masks3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Aug 12, 2003·32 cites·11 claims
- 1155US7497217B2Method of making a filter cartridge using a thermoforming step3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Mar 3, 2009·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →