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

William A. Krupicka

SCScovill: 2 patents #8 of 39Top 25%
Charlotte, NC: #1,329 of 4,868 inventorsTop 30%
North Carolina: #14,587 of 45,564 inventorsTop 35%
Overall (All Time): #1,678,142 of 4,157,543Top 45%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4598939 Exit device Lawrence D. Butts, Sidney J. Lampley 1986-07-08
4404825 Padlock having a replaceable cylinder David Dixon 1983-09-20
4300370 Securing device comprising padlock and anchored housing Donald J. Kaiser, Albert Behar 1981-11-17