Inventor · Ergolding, DE

Armin Sander

34Patents

12h-index

12Co-inventors

78Inventor score

Filing activity: Apr 29, 1991 → Apr 11, 2023

Most-cited inventions

Patent	Title	Area	Cited by	Status
US7216933B2	Backrest, particularly for an office chair	Human Necessities	54	Expired
US6513874B1	Chair, especially office chair	Human Necessities	52	Expired
USD724367S1	Swivel chair	General	51	Active
USD638635S1	Chair	General	49	Expired
US6709057B2	Chair, in particular office chair	Human Necessities	45	Expired
USD636614S1	Chair	General	44	Expired
US6896329B2	Chair, in particular office chair	Human Necessities	37	Expired
USD335489S	Computer	General	31	Expired
US9504325B2	Seat, in particular an office chair	Human Necessities	29	Active
US6692075B2	Chair having a synchronously adjustable seat and backrest	Human Necessities	27	Expired
US9486081B2	Item of seating furniture, in particular office chair	Human Necessities	26	Active
US10111525B2	Seat, in particular an office chair	Human Necessities	13	Active
USD473726S1	Chair	General	11	Expired
US7566097B2	Chair, in particular office chair	Human Necessities	10	Active
US11337525B1	Reclining seatback support device	Human Necessities	9	Active
US9826836B2	Seat, in particular an office chair	Human Necessities	9	Active
US6634716B2	Office chair	Human Necessities	7	Expired
US6659555B1	Spring unit for weight adjustment of a chair	Human Necessities	5	Expired
USD960597S1	Chair	General	4	Active
US8528973B2	Adjusting mechanism for adjusting a restoring force that acts on a backrest of a chair, and office chair with such an adjusting mechanism	Human Necessities	4	Active
USD770211S1	Chair	General	4	Active
USD907423S1	Chair	General	4	Active
USD770209S1	Chair	General	3	Active
US11213132B1	Structure for rapidly assembling chair back and chair seat	Mechanical Engineering; Lighting; Heating	2	Active
USD770210S1	Chair	General	2	Active

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