Inventor · disambiguated record
Jack Spencer
Also filed as: SPENCER JACK · SPENCER JACK D
13 granted patents·1 pending application·265 citations·filing 1981–2015
92Inventor score
Files withDARIFILL INC3NORSE DAIRY SYSTEMS INC3BAKER INT CORP2TROY ENGINEERED COMPONENTS AND2DARIFILL1
Top patents by PatentIndex Score
14 records- 0191US4401158AOne trip multi-zone gravel packing apparatusBAKER INT CORP·Filed 1981·Granted Aug 30, 1983·103 cites·5 claims
- 0284US5568729AMachine and method for making hardened confections having complementary parts joined in a unitNESTEC LTD·Filed 1995·Granted Oct 29, 1996·60 cites·19 claims
- 0373US7226039B2Hoist assembly for a motor vehicle spare tireTROY ENGINEERED COMPONENTS AND·Filed 2005·Granted Jun 5, 2007·17 cites·5 claims
- 0471US10071831B1Ice cream sandwich cartonerDARIFILL INC·Filed 2014·Granted Sep 11, 2018·4 cites·17 claims
- 0571US7487953B2Hoist assembly for a motor vehicle spare tireTROY ENGINEERED COMPONENTS AND·Filed 2007·Granted Feb 10, 2009·13 cites·3 claims
- 0671US6223949B1Spinning valveNORSE DAIRY SYSTEMS INC·Filed 1999·Granted May 1, 2001·31 cites·37 claims
- 0764US6591977B2Conveyor and packaging apparatus and packaging conveyance and packaging methodsNORSE DAIRY SYSTEMS INC·Filed 2002·Granted Jul 15, 2003·7 cites·5 claims
- 0861US7874130B2Ice cream sandwich-making machineDARIFILL INC·Filed 2008·Granted Jan 25, 2011·0 cites·4 claims
- 0959US6478139B1Conveyor and packaging apparatus and packaging conveyance and packaging methodsNORSE DAIRY SYSTEMS INC·Filed 2000·Granted Nov 12, 2002·3 cites·12 claims
- 1055US9199747B2Ice cream sandwich apparatusSPEARS SCOTT·Filed 2012·Granted Dec 1, 2015·1 cites·18 claims
- 1154US2011083400A1Ice Cream Sandwich-Making MachineDARIFILL INC·Filed 2010·Application pending·0 cites
- 1247US4431058AWash tool method for subterranean wellsBAKER INT CORP·Filed 1981·Granted Feb 14, 1984·16 cites·3 claims
- 1345US10010096B2Ice cream sandwich apparatusDARIFILL·Filed 2015·Granted Jul 3, 2018·0 cites·20 claims
- 1441US6016639AIce cream sandwich wrapping apparatus having a friction memberNORSE DAIRY SYSTEMS·Filed 1998·Granted Jan 25, 2000·10 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →