Inventor · Muscatine, IA, US

John Koch

27Patents

16h-index

15Co-inventors

78Inventor score

Filing activity: Apr 25, 1977 → Feb 3, 2021

Most-cited inventions

Patent	Title	Area	Cited by	Status
USD250663S	Tampon inserter	General	79	Expired
USD558994S1	Chair	General	65	Expired
US8061778B2	Adjustable arm for chair	Human Necessities	57	Active
US7837265B2	Reclining chair with enhanced adjustability	Human Necessities	53	Active
USD548992S1	Chair	General	50	Expired
USD499895S1	Swivel chair	General	38	Expired
US8820835B2	Resilient chair incorporating multiple flex zones	Human Necessities	35	Active
USD500211S1	Chair	General	34	Expired
USD509671S1	Armless chair	General	31	Expired
US8567864B2	Flexible back support member with integrated recline stop notches	Human Necessities	28	Active
US8297701B2	Reclining chair with enhanced adjustability	Human Necessities	25	Active
USD550467S1	Chair	General	23	Expired
USD547978S1	Chair back upright	General	22	Expired
USD549977S1	Chair	General	22	Expired
US6932431B2	Chair having novel tilt control mechanism	Human Necessities	21	Expired
USD525057S1	Chair arms	General	17	Expired
USD543388S1	Chair arm	General	13	Expired
USD568074S1	Chair arm	General	9	Expired
USD498601S1	Side chair	General	8	Expired
USD498600S1	Chair	General	8	Expired
USD501612S1	Armless chair	General	6	Expired
US8678503B2	Adjustable arm for chair	Human Necessities	4	Active
USD506333S1	Chair seat and back	General	3	Expired
USD707477S1	Chair	General	2	Active
USD500932S1	Pair of chair arm pads	General	1	Expired

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