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

Denis J. Stemmle — 105 Patents

Xerox: 44 patents #260 of 8,622Top 4%
Pitney Bowes: 36 patents #25 of 1,308Top 2%
Lockheed Martin: 25 patents #32 of 6,507Top 1%
Stratford, CT: #2 of 422 inventorsTop 1%
Connecticut: #100 of 34,797 inventorsTop 1%
Overall (All Time): #13,239 of 4,157,543Top 1%
105 Patents All Time

Issued Patents All Time

Showing 101–105 of 105 patents

Patent #TitleCo-InventorsDate
4660963 Auto duplex reproduction machine 1987-04-28
4589653 Cantilevered sorter 1986-05-20
4558860 Single pivot bin sorter 1985-12-17
4428666 Document deskewing system Russell L. Phelps, Timothy M. Minerd 1984-01-31
4355880 Forward order document copying method 1982-10-26