Inventor

FENN JOHN B

US11 patents

⚠️ This page may combine multiple inventors who share the name “FENN JOHN B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

(unassigned)

3 patents

US6297499B1Oct 2, 2001

Method and apparatus for electrospray ionization

192 citations98

US5523566AJun 4, 1996

Method for detection and analysis of inorganic ions in aqueous solutions by electrospray mass spectrometry

54 citations94

US5581080ADec 3, 1996

Method for determining molecular weight using multiply charged ions

23 citations91

DURACELL INC

2 patents

US5607789AMar 4, 1997

Light transparent multilayer moisture barrier for electrochemical cell tester and cell employing same

DURACELL INC195 citations97

US5681666AOct 28, 1997

Light transparent multilayer moisture barrier for electrochemical celltester and cell employing same

DURACELL INC203 citations96

UNIV YALE

2 patents

US4542293ASep 17, 1985

Process and apparatus for changing the energy of charged particles contained in a gaseous medium

UNIV YALE242 citations97

US4531056AJul 23, 1985

Method and apparatus for the mass spectrometric analysis of solutions

UNIV YALE196 citations97

ANALYTICA OF BRANFORD INC

1 patent

US5306412AApr 26, 1994

Method and apparatus for improving electrospray ionization of solute species

ANALYTICA OF BRANFORD INC214 citations96

FINNIGAN CORP

1 patent

US5393975AFeb 28, 1995

Electrospray ion source and interface apparatus and method

FINNIGAN CORP81 citations94

FENN JOHN B

1 patent

US5130538AJul 14, 1992

Method of producing multiply charged ions and for determining molecular weights of molecules by use of the multiply charged ions of molecules

FENN JOHN B76 citations94

OCUGENICS LLC

1 patent

US7579442B2Aug 25, 2009

Method for stromal corneal repair and refractive alteration

OCUGENICS LLC2 citations60