Inventor · disambiguated record
Daniel J. Stepan
Also filed as: STEPAN DANIEL J
4 granted patents·5 pending applications·122 citations·filing 2007–2016
78Inventor score
Files with3M INNOVATIVE PROPERTIES CO43 M INNOVATIVE PROPERTIES COMP1BENSON STEVEN1DAUGAARD DWAYNE D1GEBREWOLD YONAS1
Top patents by PatentIndex Score
9 records- 0194US8342180B2Filtering face-piece respirator that has expandable mask body3M INNOVATIVE PROPERTIES CO·Filed 2008·Granted Jan 1, 2013·42 cites·23 claims
- 0291US8118026B2Filtering face-piece respirator support structure that has living hingesGEBREWOLD YONAS·Filed 2008·Granted Feb 21, 2012·38 cites·18 claims
- 0390US8066006B2Filtering face-piece respirator having nose clip molded into the mask bodyDAUGAARD DWAYNE D·Filed 2008·Granted Nov 29, 2011·42 cites·18 claims
- 0455US2009078266A1Filtering face-piece respirator having buckles integral to the mask body support structure3M INNOVATIVE PROPERTIES CO·Filed 2008·Application pending·0 cites
- 0554US2009078268A1Buckle having a flexural strap attachment member and respirator using such buckle3 M INNOVATIVE PROPERTIES COMP·Filed 2008·Application pending·0 cites
- 0651US2019090558A1Molded Respirator with Integral Nose Pads Provided by Inwardly-Folded Tabs3M INNOVATIVE PROPERTIES CO·Filed 2016·Application pending·0 cites
- 0746US2010038325A1Method and apparatus for improving water quality by means of gasificationBENSON STEVEN·Filed 2007·Application pending·0 cites
- 0845US2008145270A1Additive to mitigate hydrogen sulfide and method of using the sameYE DINGYI·Filed 2007·Application pending·0 cites
- 0943US8375951B2Buckle and respirator using such buckle, having a deformable cinch bar, and method3M INNOVATIVE PROPERTIES CO·Filed 2008·Granted Feb 19, 2013·0 cites·34 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →