Inventor · disambiguated record
Stephen E. Marshall
Also filed as: MARSHALL STEPHEN E · MARSHALL STEPHEN EDWARD
5 granted patents·2 pending applications·156 citations·filing 1986–2001
83Inventor score
Top patents by PatentIndex Score
7 records- 0173US4688021ACombined smoke and gas detection apparatusBDC ELECTRONICS·Filed 1986·Granted Aug 18, 1987·72 cites·3 claims
- 0266US5406970AChemical injection systemY Z IND INC·Filed 1993·Granted Apr 18, 1995·31 cites·11 claims
- 0358US6208913B1Chemical injection systemYZ SYSTEMS INC·Filed 1997·Granted Mar 27, 2001·29 cites·18 claims
- 0446US5996396AApparatus for determining odor levels in gas streamsY Z IND SALES INC·Filed 1998·Granted Dec 7, 1999·15 cites·18 claims
- 0538US6196051B1Apparatus for determining odor levels in gas streamsYZ SYSTEMS INC·Filed 1999·Granted Mar 6, 2001·9 cites·10 claims
- 0633US2001014840A1Chemical injection systemFiled 2001·Application pending·0 cites
- 0733US2001011473A1Apparatus for determining odor levels in gas streamsFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →