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 76–100 of 105 patents

Patent #TitleCo-InventorsDate
5215298 Orbiting nip sheet output with faceup or facedown stacking and integral gate John F. Derrick 1993-06-01
5201517 Orbiting nip plural mode sheet output with faceup or facedown stacking 1993-04-13
5187588 Scanner with floating backstop 1993-02-16
5162916 Compact read/write scanner Robert Robideau 1992-11-10
5153736 Toggling sheet transport and registration system 1992-10-06
5153738 Scanner with single source mechanical power 1992-10-06
5077614 Scanner with document and copy sheet registration means Robert Robideau 1991-12-31
5049999 Compact multimode input and output scanner 1991-09-17
5042791 Short edge feed duplex with side shifting inverter 1991-08-27
5040074 Full-width simultaneous read/write copier 1991-08-13
5032922 Platen accessory for portable copier 1991-07-16
4928127 Sheet circulation in a duplex printer 1990-05-22
4928128 Sheet circulation in a duplex printer 1990-05-22
4919409 Sheet handling apparatus with narrow belt having raised frictional contact element 1990-04-24
4920421 Simultaneous read/write copier 1990-04-24
4918490 Batch mode duplex printing 1990-04-17
4858909 Sheet transporting apparatus 1989-08-22
4807866 Sheet stackers 1989-02-28
4786042 Adjustable size sensing sheet cassette 1988-11-22
4781371 Sheet collector 1988-11-01
4727397 Book style duplex copying for short edge feed sheets 1988-02-23
4712785 Sheet stacking apparatus 1987-12-15
4708462 Auto duplex reproduction machine 1987-11-24
4708468 Self adjusting paper guide 1987-11-24
4687191 Sorter and reciprocating stapler apparatus 1987-08-18