Inventor · Lexington, MA, US

John C. Sheehan

18Patents
6h-index
11Co-inventors
63Inventor score

Filing activity: Dec 4, 1972 → Mar 15, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5746626A Electrical connector assembly Electricity 34 Expired
US4322954A Portable cooler for medicine Emerging Cross-Sectional Technologies 28 Expired
US3941782A Heterocyclic esters of benzopyrans Chemistry; Metallurgy 11 Expired
US3991194A Heterocyclic esters of benzopyranopyridines Chemistry; Metallurgy 10 Expired
US4143046A Carbon and oxygen analogs of penicillin Chemistry; Metallurgy 8 Expired
US4282149A Carbon and oxygen analogs of penicillin Chemistry; Metallurgy 7 Expired
US4093625A 6-Sulfur analogs of penicillins and cephalosporins Human Necessities 6 Expired
US4265882A Sulphur analogs of penicillins having a nucleophile substituted in the 6 and 7 position, respectively Chemistry; Metallurgy 4 Expired
US3972880A Morpholine containing esters of thienobenzopyrans and thiopyranobenzopyrans Chemistry; Metallurgy 4 Expired
US3960871A Esters of thienobenzopyrans and thiopyranobenzopyrans Chemistry; Metallurgy 4 Expired
US9290337B2 Grain buggy assembly Performing Operations; Transporting 4 Active
US4381300A Sulphur analogs of cephalosporins having a nucleophile substituted in the 7 position Chemistry; Metallurgy 3 Expired
US4042694A Novel heterocyclic esters of benzopyranopyridines Chemistry; Metallurgy 3 Expired
US4456755A 7-Oxygen analogs of cephalosporins Emerging Cross-Sectional Technologies 3 Expired
US3939151A Displacement of the thiazolidine ring in penicillin with the formation of a biologically active cephem system Chemistry; Metallurgy 1 Expired
US4020163A Use of heterocyclic esters of 5H-[1]benzopyrano [3,4-b]pyridines as analgesics Human Necessities 0 Expired
US4361514A Carbon analogs of penicillin Chemistry; Metallurgy 0 Expired
US4622394A Oxygen analogs of cephalosporins Emerging Cross-Sectional Technologies 0 Expired

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