Inventor · disambiguated record
Keith Simpson
Also filed as: SIMPSON KEITH · SIMPSON KEITH RICHARD
6 granted patents·2 pending applications·350 citations·filing 1974–2024
86Inventor score
Top patents by PatentIndex Score
8 records- 0192US3944403AAdsorptive devicesSIEBE GORMAN & CO LTD·Filed 1974·Granted Mar 16, 1976·80 cites·8 claims
- 0289US4886056ABreathing apparatusSABRE SAFETY LTD·Filed 1989·Granted Dec 12, 1989·117 cites·10 claims
- 0388US5299448APositive pressure test apparatus for facepiece respiratorCABOT SAFETY CORP·Filed 1993·Granted Apr 5, 1994·112 cites·14 claims
- 0473US2025255472A1Illumination assembly for handheld medical devices and instrumentsFIAGON GMBH·Filed 2024·Application pending·0 cites
- 0565US4726978ACharcoal fabric needled to supporting fabricsSIEBE GORMAN & CO LTD·Filed 1986·Granted Feb 23, 1988·25 cites·23 claims
- 0654US4274979AManufacture of activated carbonCLAIRAIRE LTD·Filed 1979·Granted Jun 23, 1981·16 cites·34 claims
- 0745US2022175270A1Breath monitoring apparatus for producing a capnogramSIMPSON KEITH·Filed 2022·Application pending·0 cites
- 0834US9912743B2Real-time collection and distribution of information for an event organized according to sub-eventsSIMPSON KEITH·Filed 2014·Granted Mar 6, 2018·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →