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 51–75 of 105 patents

Patent #TitleCo-InventorsDate
7111536 Mailpiece perforating/cutting system Eric A. Belec, Michael M. Farrell, Jeffrey A. Gateman, Edward C. Miller 2006-09-26
7104034 Paper handling method and system for document folding for windowed envelopes 2006-09-12
7060927 Method and system for isolating and testing biological contaminants in mail packages Douglas B. Quine 2006-06-13
7040616 Method and system for high speed digital metering using overlapping envelopes 2006-05-09
6805346 Bottom stacking apparatus for stacking mailpieces 2004-10-19
6799760 Method and apparatus for vertically stacking mailpieces via the top or bottom of the stack 2004-10-05
6684682 Jogger system having a mail compression capability therein Eric A. Belec, Robert J. Allen, Michael M. Farrell, Jeffrey A. Gateman, Thomas M. Lyga +2 more 2004-02-03
6135441 Two-stage document singulating apparatus for a mail handling system Eric A. Belec, Donald Barker, Steven E. Cohen, James A. Salomon 2000-10-24
6062752 Device and method for enabling a conventional printer to print on an edge of an envelope Jeffrey D. Pierce, Ronald P. Sansone, Fran E. Blackman, Ronald Reichman 2000-05-16
6028517 Status indicating system for indicating the deposit and withdrawal of items in a receptacle Ronald P. Sansone, Richard A. Bernard, Fran E. Blackman, Daniel F. Dlugos, Edilberto I. Salazar +2 more 2000-02-22
5970304 Two sided imaging of a continuous web substrate with a single print engine with in line transfer stations 1999-10-19
5878320 Continuous imaging of a continuous web substrate with a single print engine with a photoreceptor belt seam 1999-03-02
5875383 Dual mode interchangeable modules cut sheet or web printing system with a single xerographic cut sheet print engine 1999-02-23
5860053 Two sided imaging of a continuous web substrate with a single print engine with alternating transfer stations 1999-01-12
5848345 Two sided imaging of a continuous web substrate with moving fusers 1998-12-08
5838346 Scanning printhead for printing on a moving medium 1998-11-17
5442449 Portable copier and method of using a portable copier Egon S. Babler 1995-08-15
5425588 Pivoting platen for use in printing device 1995-06-20
D357696 Ribbon cartridge Allen J. Lucas, Egon S. Babler 1995-04-25
5346203 High capacity sheet stacking system with variable height input and stacking registration 1994-09-13
5338017 Sorting and finishing apparatus 1994-08-16
5267056 Right reading image for read/write components co-mounted on a single X-Y carriage 1993-11-30
5264949 Scanning carriage drive and image timing 1993-11-23
5260758 Signature job copying system and method 1993-11-09
5245447 Indexing mechanism for compact scanner 1993-09-14