DS

Dennis D. Simpson

TI Tricam Industries: 28 patents #3 of 20Top 15%
SS Sorin Group Italia S.R.L.: 2 patents #40 of 76Top 55%
📍 Plymouth, MN: #79 of 1,545 inventorsTop 6%
🗺 Minnesota: #1,863 of 52,454 inventorsTop 4%
Overall (All Time): #117,364 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
12084917 Stepladder tray Benjamin M. Wernberg, Joseph P. Foley, Benjamin P. Williams 2024-09-10
11629514 Work platform Joseph P. Foley, Benjamin P. Williams 2023-04-18
11505994 Top cap for multi-position ladder Joseph P. Foley, Benjamin P. Williams, Benjamin M. Wernberg 2022-11-22
11391089 Stepladder folding leg Benjamin M. Wernberg, Benjamin P. Williams, Joseph P. Foley 2022-07-19
11299187 Dump cart Joseph P. Foley, Benjamin P. Williams, Benjamin M. Wernberg 2022-04-12
11220862 Step ladder Jeff Skubic, Ben Williams, Yongxue Lu 2022-01-11
D897680 Cart tub Joseph P. Foley, Benjamin P. Williams, Benjamin M. Wernberg 2020-10-06
D897679 Cart tub Joseph P. Foley, Benjamin P. Williams, Benjamin M. Wernberg 2020-10-06
10648234 Step ladder Jeff Skubic, Ben Williams, Yongxue Lu 2020-05-12
D876744 Dumping cart Benjamin M. Wernberg, Joseph P. Foley, Benjamin P. Williams 2020-02-25
D860476 Hinge for a multi-position ladder Joseph P. Foley, Benjamin P. Williams 2019-09-17
D855833 Ladder rail Joseph P. Foley, Benjamin P. Williams 2019-08-06
D840055 Step ladder Jeff Skubic, Benjamin P. Williams, Yongxue Lu 2019-02-05
10138680 Hinged tray for ladder or step stool Benjamin P. Williams, Joseph P. Foley 2018-11-27
D826507 Log cart Benjamin M. Wernberg, Joseph P. Foley, Benjamin P. Williams 2018-08-21
D819917 Cart Joseph P. Foley, Benjamin P. Williams 2018-06-05
9869125 Latch for ladder or step stool Yongxue Lu 2018-01-16
9801687 Perfusion system with RFID Derek E. Dahlinger, Ivan Rossi 2017-10-31
9752334 Foldable work platform device Joseph P. Foley, Benjamin P. Williams 2017-09-05
D776826 Work platform Joseph P. Foley, Benjamin P. Williams 2017-01-17
D710031 Step stool Jeff Skubic, Louis F. Polk, III, Jason J. Ness 2014-07-29
8734376 Perfusion system with RFID Derek E. Dahlinger, Ivan Rossi 2014-05-27
D687614 Cart Jeff Skubic, Louis F. Polk, III, Jason J. Ness 2013-08-06
7887141 Articulated utility cart Frank Pieschel, Robert J. Jantschek, Jeff Skubic 2011-02-15
7818865 Method of making a dumping utility cart Frank Pieschel, Craig L. Stewart, Jeff Skubic 2010-10-26