Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
NK

Nancy J. Kapp

CACalgon: 5 patents #26 of 151Top 20%
La Grange, IL: #27 of 106 inventorsTop 30%
Illinois: #15,122 of 84,256 inventorsTop 20%
Overall (All Time): #884,780 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6039965 Surfanctants for reducing bacterial adhesion onto surfaces Rodney M. Donlan, David L. Elliot, Christopher L. Wiatr, Paul Rey 2000-03-21
5684048 Synergistic antimicrobial composition of N-decyl-N-isononyl-N,N-dimethyl ammonium chloride and 2-(decylthio) ethanamine Kevin I. Ajoku 1997-11-04
5677345 Synergistic antimicrobial composition of N-(dichlorofluoromethyl)thio!-N',N'-dimethyl-N-phenylsulfamide and alkylguanidine compounds Kevin I. Ajoku 1997-10-14
5663206 Synergistic antimicrobial composition of N-decyl-N-isononyl-N,N-dimethyl ammonium chloride and alkylguanidine compounds Kevin I. Ajoku 1997-09-02
5656670 Synergistic antimicrobial composition of N-decy-N-isononyl-N,N-dimethyl ammonium chloride and 2-bromo-2-nitropropane-1,3-diol Kevin I. Ajoku 1997-08-12
4382440 Smoke and pollutant filtering device Charles H. Bennett 1983-05-10