Inventor · Havre de Grace, MD, US

Bernard V. Gerber

17Patents
7h-index
6Co-inventors
55Inventor score

Filing activity: Aug 19, 1975 → Dec 31, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US4228527A Electrically reprogrammable non volatile memory Physics 32 Expired
US4327320A Reference voltage source Electricity 27 Expired
US4041522A Integrated circuit and manufacture thereof Electricity 25 Expired
US4399523A Non-volatile, electrically erasable and reprogrammable memory element Electricity 24 Expired
US4532535A Electrically reprogrammable non volatile memory cell floating gate EEPROM with tunneling to substrate region Electricity 18 Expired
USH267H Method and apparatus for improved gas mask and filter test penetrometer General 11 Active
US5059352A Method for the generation of monodispersed aerosols for filter testing Chemistry; Metallurgy 7 Expired
US5059353A Method for testing the efficiency of gas mask filters using monodispersed aerosols Physics 6 Expired
US4653392A Muffin baking pan for producing muffin with open cavity Human Necessities 6 Expired
US5080829A Method of measuring the efficiency of gas mask filters, respirators and other personnel protective equipment Physics 5 Expired
US5059349A Method of measuring the efficiency of gas mask filters using monodispersed aerosols Physics 5 Expired
US5094779A Method for measuring and testing the efficiency of gas mask filters using monodispersed aerosols Physics 5 Expired
US5059351A Method of testing the efficiency of gas mask filters using monodispersed aerosols Physics 5 Expired
US4343177A Flow compensated gas comparison probe Physics 4 Expired
US5059350A Method of testing the efficiency of gas mask filters using poly-alpha olefin aerosol mixtures Physics 4 Expired
US5087389A Method of measuring the efficiency of gas mask filters using non-toxic mono dispersed aerosols Chemistry; Metallurgy 3 Expired
USH1040H Method for measuring filter efficiency General 3 Active

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