Inventor · disambiguated record
Stephen Leslie Foster
Also filed as: FOSTER STEPHEN · FOSTER STEPHEN L · FOSTER STEPHEN LESLIE
6 granted patents·2 pending applications·193 citations·filing 1988–2013
86Inventor score
Files withEJA ENGINEERING LTD2EJA LTD2DISCRETEHEAT COMPANY LTD1FOSTER STEPHEN1FOSTER STEPHEN LEONARD1
Top patents by PatentIndex Score
8 records- 0186US6213148B1Valve lock and adapterEJA LTD·Filed 1998·Granted Apr 10, 2001·58 cites·14 claims
- 0282US6474120B1Bolt assemblyEJA ENGINEERING LTD·Filed 1999·Granted Nov 5, 2002·56 cites·17 claims
- 0366US6446666B1Valve lock and adapterEJA LTD·Filed 2001·Granted Sep 10, 2002·14 cites·8 claims
- 0461US4923359AExtendable boom for belt-conveyorFOSTER STEPHEN LEONARD·Filed 1988·Granted May 8, 1990·29 cites·10 claims
- 0559US6135417AValve spindle actuatorEJA ENGINEERING LTD·Filed 1998·Granted Oct 24, 2000·21 cites·16 claims
- 0652US2009308570A1RadiatorDISCRETEHEAT COMPANY LTD·Filed 2007·Application pending·0 cites
- 0751US5746245AMetersSIEMENS MEASUREMENTS LTD·Filed 1997·Granted May 5, 1998·15 cites·9 claims
- 0843US2014096540A1Zero loss cooldown of cryogenic pumpFOSTER STEPHEN·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →