Inventor · disambiguated record
Timothy A. Hjelsand
Also filed as: HJELSAND TIMOTHY · HJELSAND TIMOTHY A
22 granted patents·1 pending application·453 citations·filing 1984–2020
96Inventor score
Top patents by PatentIndex Score
23 records- 0199US8647102B2Print head assembly and print head for use in fused deposition modeling systemSWANSON WILLIAM J·Filed 2011·Granted Feb 11, 2014·95 cites·20 claims
- 0298US8815141B2Method for building three-dimensional models with extrusion-based additive manufacturing systemsSWANSON WILLIAM J·Filed 2010·Granted Aug 26, 2014·39 cites·17 claims
- 0397US9550327B2Liquefier assembly for use in extrusion-based additive manufacturing systemsSTRATASYS INC·Filed 2015·Granted Jan 24, 2017·12 cites·19 claims
- 0497US8647098B2Liquefier assembly for use in extrusion-based additive manufacturing systemsSWANSON WILLIAM J·Filed 2010·Granted Feb 11, 2014·24 cites·20 claims
- 0596US9073263B2Spool assembly for additive manufacturing system, and methods of manufacture and use thereofMANNELLA DOMINIC F·Filed 2011·Granted Jul 7, 2015·52 cites·10 claims
- 0693US10513103B2Ripple reduction in an additive manufacturing systemSTRATASYS INC·Filed 2015·Granted Dec 24, 2019·7 cites·20 claims
- 0791US9022771B2Liquefier assembly for use in extrusion-based additive manufacturing systemsSTRATASYS INC·Filed 2014·Granted May 5, 2015·7 cites·20 claims
- 0889US9714153B2Spool assembly with locking mechanism for additive manufacturing system, and methods of use thereofSTRATASYS INC·Filed 2016·Granted Jul 25, 2017·4 cites·19 claims
- 0987US6575263B2Torque device for electronic steer-by wire steering systemsEATON CORP·Filed 2001·Granted Jun 10, 2003·44 cites·2 claims
- 1082US8465111B2Print head for use in fused deposition modeling systemSWANSON WILLIAM J·Filed 2010·Granted Jun 18, 2013·18 cites·20 claims
- 1180US4478423AOil seal and unitized seal carrier for reciprocating shaftHALLIBURTON CO·Filed 1984·Granted Oct 23, 1984·30 cites·5 claims
- 1278US4474382AUnitized seal carrier assembly for reciprocating shaftHALLIBURTON CO·Filed 1984·Granted Oct 2, 1984·28 cites·3 claims
- 1375US6769451B2Power beyond steering unit with bypassEATON CORP·Filed 2002·Granted Aug 3, 2004·18 cites·5 claims
- 1473US9168685B2Print head assembly and print head for use in fused deposition modeling systemSTRATASYS INC·Filed 2014·Granted Oct 27, 2015·8 cites·20 claims
- 1571US9321608B2Spool assembly with locking mechanism for additive manufacturing system, and methods of use thereofBEERY CHAD E·Filed 2011·Granted Apr 26, 2016·3 cites·12 claims
- 1667US2019315114A1Gear-based liquefier assembly for additive manufacturing system, and methods of use thereofSTRATASYS INC·Filed 2019·Application pending·0 cites
- 1761US10576693B2Print head assembly and print head for use in fused deposition modeling systemSTRATASYS INC·Filed 2015·Granted Mar 3, 2020·0 cites·19 claims
- 1851US5638864ASteering control unit with flow amplification for unequal area cylinderEATON CORP·Filed 1995·Granted Jun 17, 1997·19 cites·5 claims
- 1950US6076349AHydrostatic automotive or high speed steering systemEATON CORP·Filed 1999·Granted Jun 20, 2000·16 cites·6 claims
- 2050US5960694AHydrostatic power steering system having reduced wheel slipEATON CORP·Filed 1998·Granted Oct 5, 1999·18 cites·4 claims
- 2149US11491723B2Consumable assemblySTRATASYS INC·Filed 2020·Granted Nov 8, 2022·0 cites·18 claims
- 2239US6071102AFloating seal for sealed star gerotorEATON CORP·Filed 1997·Granted Jun 6, 2000·6 cites·8 claims
- 2334US5042250AHigh-back pressure power steering deviceEATON CORP·Filed 1989·Granted Aug 27, 1991·5 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →