Growing community of inventors

Rowayton, CT, United States of America

Keith E Schubert

Average Co-Inventor Count = 1.50

ph-index = 8

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 235

Keith E SchubertPhilip Pollak, Jr (7 patents)Keith E SchubertGerald E Linden (6 patents)Keith E SchubertJohn L Lorenzo (2 patents)Keith E SchubertRaymond R Lupkas (2 patents)Keith E SchubertDavid B Albright (2 patents)Keith E SchubertEdilberto I Salazar (1 patent)Keith E SchubertFrank T Check, Jr (1 patent)Keith E SchubertWallace Kirschner (1 patent)Keith E SchubertLouis T Canevari (1 patent)Keith E SchubertCharles M Weimer (1 patent)Keith E SchubertJames R Swaniger (1 patent)Keith E SchubertWilliam Veiga (1 patent)Keith E SchubertKeith E Schubert (31 patents)Philip Pollak, JrPhilip Pollak, Jr (9 patents)Gerald E LindenGerald E Linden (11 patents)John L LorenzoJohn L Lorenzo (16 patents)Raymond R LupkasRaymond R Lupkas (10 patents)David B AlbrightDavid B Albright (3 patents)Edilberto I SalazarEdilberto I Salazar (42 patents)Frank T Check, JrFrank T Check, Jr (26 patents)Wallace KirschnerWallace Kirschner (21 patents)Louis T CanevariLouis T Canevari (5 patents)Charles M WeimerCharles M Weimer (5 patents)James R SwanigerJames R Swaniger (3 patents)William VeigaWilliam Veiga (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pitney Bowes Inc. (20 from 2,979 patents)

2. Other (11 from 832,843 patents)


31 patents:

1. 6280322 - Single sheet of paper for duplicating information entered on both surfaces thereof

2. 6120320 - GFI adapter

3. 5395288 - Two-way-write type, single sheet, self-replicating forms

4. 5393265 - Self-replicating duplex forms

5. 5248279 - Two-sided, self-replicating forms

6. 5224897 - Self-replicating duplex forms

7. 5197922 - Method and apparatus for producing two-sided carbonless copies of both

8. 5154668 - Single paper sheet forming a two-sided copy of information entered on

9. 5137494 - Two-sided forms and methods of laying out, printing and filling out same

10. 5135437 - Form for making two-sided carbonless copies of information entered on

11. 5127879 - Apparatus for recordkeeping

12. 4774881 - Rotary operated character selection system for postage meters

13. 4682541 - Postal mailing system having an adaptable postage meter

14. 4631681 - Microprocessor controlled d.c. motor and application therefor

15. 4603627 - Rotary shutter device for a postal mailing system

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as of
12/29/2025
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