Inventor · Celestine, IN, US

Derek Schweikarth

70Patents
16h-index
21Co-inventors
84Inventor score

Filing activity: Jun 12, 2001 → Sep 12, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
USD595979S1 Table General 72 Expired
USD498598S1 Chair General 62 Expired
US6811218B2 Chair with conforming seat Human Necessities 55 Expired
USD593345S1 Task chair backrest and armrest assembly General 52 Expired
USD597328S1 Bench General 49 Expired
USD476822S1 Lounge General 43 Expired
USD586590S1 Lounge end General 40 Expired
USD661129S1 Table General 35 Active
USD483206S1 Drawer front General 33 Expired
USD646915S1 Chair backrest General 32 Expired
USD543373S1 Side chair General 31 Expired
USD598669S1 Side chair General 25 Expired
USD458469S1 Chair General 25 Expired
USD516832S1 Side chair General 21 Expired
USD561499S1 Chair backrest General 18 Expired
USD586156S1 Lounge end General 18 Expired
USD665188S1 Side chair General 16 Active
USD561487S1 Bench General 15 Expired
USD468122S1 Office chair General 14 Expired
USD731835S1 Lounge end General 14 Active
USD654718S1 Side chair General 13 Expired
USD569664S1 Chair side General 12 Expired
US7234777B2 Chair with adjustable armrests and backrest Human Necessities 12 Expired
USD770822S1 Chair General 12 Active
USD516848S1 Drawer front General 11 Expired

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