Inventor · Ingleside, IL, US

Stephen Pearson

19Patents
13h-index
5Co-inventors
71Inventor score

Filing activity: Apr 9, 1979 → May 31, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US4410321A Closed drug delivery system Human Necessities 261 Expired
US4411662A Sterile coupling Emerging Cross-Sectional Technologies 233 Expired
US4589879A Cannula assembly having closed, pressure-removable piercing tip Human Necessities 114 Expired
US5461740A Multi-positional bed Human Necessities 108 Expired
US7159720B2 Container having a rotatable ring Performing Operations; Transporting 93 Expired
US4432755A Sterile coupling Emerging Cross-Sectional Technologies 89 Expired
USD350566S Menu holder General 71 Expired
US5307250A Light-up coaster for beverage containers Emerging Cross-Sectional Technologies 67 Expired
US4232721A Collapsible solution container having rectangular shoulder Performing Operations; Transporting 28 Expired
US6216295A Adjustable bed Human Necessities 21 Expired
US4308904A Collapsible solution container having reduced collapse rate at the end of the collapsing process Performing Operations; Transporting 18 Expired
US4393909A Universal administration port Human Necessities 18 Expired
US5390437A Advertising display stand Physics 18 Expired
US7334791B2 Electronic die Human Necessities 13 Expired
USD953154S1 Bracket General 6 Active
USD881683S1 Bracket General 4 Active
US11628683B2 Wheel adapter to convert a storage container to a wheeled storage container Performing Operations; Transporting 2 Active
US10960706B2 Wheel adapter to convert a storage container to a wheeled storage container Performing Operations; Transporting 2 Active
USD1088844S1 Bracket General 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.