TH

Timothy A. Hjelsand

ST Stratasys: 13 patents #32 of 393Top 9%
EA Eaton: 7 patents #411 of 3,708Top 15%
HA Halliburton: 2 patents #318 of 857Top 40%
📍 Waconia, MN: #10 of 161 inventorsTop 7%
🗺 Minnesota: #3,093 of 52,454 inventorsTop 6%
Overall (All Time): #194,298 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
11491723 Consumable assembly Caroline Jo Markman, Kevin C. Johnson 2022-11-08
10576693 Print head assembly and print head for use in fused deposition modeling system William J. Swanson, J. Samuel Batchelder, Kevin C. Johnson, James W. Comb 2020-03-03
10513103 Ripple reduction in an additive manufacturing system Paul J. Leavitt, Andrew Rice 2019-12-24
9714153 Spool assembly with locking mechanism for additive manufacturing system, and methods of use thereof Chad E. Beery, David M. Kozlak 2017-07-25
9550327 Liquefier assembly for use in extrusion-based additive manufacturing systems William J. Swanson, Kevin C. Johnson, J. Samuel Batchelder 2017-01-24
9321608 Spool assembly with locking mechanism for additive manufacturing system, and methods of use thereof Chad E. Beery, David M. Kozlak 2016-04-26
9168685 Print head assembly and print head for use in fused deposition modeling system William J. Swanson, J. Samuel Batchedler, Kevin C. Johnson, James W. Comb 2015-10-27
9073263 Spool assembly for additive manufacturing system, and methods of manufacture and use thereof Dominic F. Mannella, William J. Swanson, David M. Kozlak, Chad E. Beery 2015-07-07
9022771 Liquefier assembly for use in extrusion-based additive manufacturing systems William J. Swanson, Kevin C. Johnson, J. Samuel Batchelder 2015-05-05
8815141 Method for building three-dimensional models with extrusion-based additive manufacturing systems William J. Swanson, Kevin C. Johnson, J. Samuel Batchelder 2014-08-26
8647102 Print head assembly and print head for use in fused deposition modeling system William J. Swanson, J. Samuel Batchelder, Kevin C. Johnson, James W. Comb 2014-02-11
8647098 Liquefier assembly for use in extrusion-based additive manufacturing systems William J. Swanson, Kevin C. Johnson, J. Samuel Batchelder 2014-02-11
8465111 Print head for use in fused deposition modeling system William J. Swanson, J. Samuel Batchelder, Kevin C. Johnson 2013-06-18
6769451 Power beyond steering unit with bypass 2004-08-03
6575263 Torque device for electronic steer-by wire steering systems Kenneth G. Rasmussen 2003-06-10
6076349 Hydrostatic automotive or high speed steering system Dwight B. Stephenson 2000-06-20
6071102 Floating seal for sealed star gerotor 2000-06-06
5960694 Hydrostatic power steering system having reduced wheel slip David Thomas, David E. Ewel, Jerry F. Carlin, Russell P. Schuchmann 1999-10-05
5638864 Steering control unit with flow amplification for unequal area cylinder Donald M. Haarstad, Bernard J. Larson 1997-06-17
5042250 High-back pressure power steering device Keith R. Carlson, Dwight B. Stephenson 1991-08-27
4478423 Oil seal and unitized seal carrier for reciprocating shaft Paul A. Moore 1984-10-23
4474382 Unitized seal carrier assembly for reciprocating shaft 1984-10-02