Inventor · disambiguated record
Ian James Duncan
Also filed as: DUNCAN IAN J · DUNCAN IAN J H · DUNCAN IAN JAMES · DUNCAN JR IAN
13 granted patents·10 pending applications·213 citations·filing 1975–2024
92Inventor score
Files withYELLOWFIN LTD6DUNCAN IAN JAMES4DUNCAN IAN J2FUTURETECH TECHNOLOGIES LTD2MARMON CORP CANADA LTD2
Top patents by PatentIndex Score
23 records- 0180US4062085ASuction cleaning apparatusMELFORD ENG LTD·Filed 1975·Granted Dec 13, 1977·47 cites·10 claims
- 0279US4831684ACleaning vehiclesMORNINGFIELD LTD·Filed 1986·Granted May 23, 1989·51 cites·21 claims
- 0378US6332818B1Propulsion systemFUTURETECH TECHNOLOGIES LTD·Filed 1999·Granted Dec 25, 2001·29 cites·38 claims
- 0466US4395794ADevice to take up refuse by vacuum intake airSCHMIDT ALFRED ING GMBH·Filed 1980·Granted Aug 2, 1983·30 cites·11 claims
- 0552US6964240B1Hull for high speed water craftFUTURETECH TECHNOLOGIES LTD·Filed 2000·Granted Nov 15, 2005·5 cites·26 claims
- 0652US4490874ABrush control meansSCHMIDT MFG & EQUIP·Filed 1983·Granted Jan 1, 1985·18 cites·10 claims
- 0751USD367638SNautical craftDUNCAN IAN J·Filed 1994·Granted Mar 5, 1996·7 cites·1 claims
- 0851USD345542SNautical craftDUNCAN IAN J·Filed 1992·Granted Mar 29, 1994·7 cites·1 claims
- 0951US5251574AMethod and apparatus for increasing the quantity and improving the quality of hatchlings incubated and hatched under artificial conditions by exposing the eggs to natural soundsMARMON CORP CANADA LTD·Filed 1992·Granted Oct 12, 1993·15 cites·18 claims
- 1050US6435120B2ThrusterLEWMAR LTD·Filed 2001·Granted Aug 20, 2002·4 cites·12 claims
- 1147US2025236149A1Suspension system with pitch stiffness controlRIVIAN IP HOLDINGS LLC·Filed 2024·Application pending·0 cites
- 1246US2015284051A1Section profiles for planing hydrofoils and hydrofoils operating close to a free water surfaceDUNCAN IAN JAMES·Filed 2013·Application pending·0 cites
- 1345US2010048069A1Marine propulsion and constructional details thereofYELLOWFIN LTD·Filed 2007·Application pending·0 cites
- 1445US2017166283A1Section profiles for planing hydrofoils and hydrofoils operating close to a free water surfaceDUNCAN IAN JAMES·Filed 2017·Application pending·0 cites
- 1545US2010075552A1Marine propulsion and constructional details thereofYELLOWFIN LTD·Filed 2007·Application pending·0 cites
- 1640US2010035489A1Marine propulsion and constructional details thereofYELLOWFIN LTD·Filed 2007·Application pending·0 cites
- 1740US2010297896A1Marine propulsion and constructional details thereofYELLOWFIN LTD·Filed 2007·Application pending·0 cites
- 1840US2010150720A1Marine propulsion and constructional details thereofYELLOWFIN LTD·Filed 2007·Application pending·0 cites
- 1940US2009304510A1Marine propulsion and constructional details thereofYELLOWFIN LTD·Filed 2007·Application pending·0 cites
- 2039US2015291257A1Planing hydrofoils for marine craftDUNCAN IAN JAMES·Filed 2013·Application pending·0 cites
- 2138US9783265B2Foil-assisted catamaran marine craftDUNCAN IAN JAMES·Filed 2013·Granted Oct 10, 2017·0 cites·18 claims
- 2232US6684806B1Hulls for planing and semi-planing craftFUTURETECH TECHNOLOGIES·Filed 2000·Granted Feb 3, 2004·0 cites·18 claims
- 2325US5383424AMethod and apparatus for increasing the quantity and improving the quality of hatchlings incubated and hatched under artificial conditions by exposing the eggs to natural soundsMARMON CORP CANADA LTD·Filed 1993·Granted Jan 24, 1995·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →