Growing community of inventors

Stratford, CT, United States of America

Charles W Klein

Average Co-Inventor Count = 2.46

ph-index = 6

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 = 111

Charles W KleinJoseph B Sugrue (11 patents)Charles W KleinDavid W Beckstrom (10 patents)Charles W KleinDavid H Brooks, Jr (4 patents)Charles W KleinDaisuke Sawaki (4 patents)Charles W KleinPaul W Porter (2 patents)Charles W KleinCormac O'Prey (1 patent)Charles W KleinPeter John Watson (1 patent)Charles W KleinGregory B Arnold (1 patent)Charles W KleinBruce E Taylor (1 patent)Charles W KleinCarl R Chapman (1 patent)Charles W KleinJoan T Doutney (1 patent)Charles W KleinAnia Mastriano (1 patent)Charles W KleinDouglas G Long (1 patent)Charles W KleinMichael D O'Hare (1 patent)Charles W KleinBarry W Simkins (1 patent)Charles W KleinPeter D Herger (1 patent)Charles W KleinCharles W Klein (22 patents)Joseph B SugrueJoseph B Sugrue (20 patents)David W BeckstromDavid W Beckstrom (46 patents)David H Brooks, JrDavid H Brooks, Jr (20 patents)Daisuke SawakiDaisuke Sawaki (5 patents)Paul W PorterPaul W Porter (7 patents)Cormac O'PreyCormac O'Prey (26 patents)Peter John WatsonPeter John Watson (11 patents)Gregory B ArnoldGregory B Arnold (11 patents)Bruce E TaylorBruce E Taylor (9 patents)Carl R ChapmanCarl R Chapman (7 patents)Joan T DoutneyJoan T Doutney (6 patents)Ania MastrianoAnia Mastriano (6 patents)Douglas G LongDouglas G Long (6 patents)Michael D O'HareMichael D O'Hare (6 patents)Barry W SimkinsBarry W Simkins (4 patents)Peter D HergerPeter D Herger (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 (1 from 832,680 patents)

3. Monarch Marking Systems, Inc. (1 from 408 patents)


22 patents:

1. D647776 - Letter opener

2. D633138 - Mailing machine

3. D631506 - Mailing machine

4. D602075 - Mailing machine

5. 7540847 - Apparatus and method for selectively transmitting vibrations to an individual situated on a support surface

6. D592035 - Letter opener with stacker

7. D582472 - Mailing machine

8. D530736 - Printer

9. D507594 - Mailing machine

10. 6843884 - Apparatus for moistening an envelope

11. D501025 - Mailing machine

12. D480751 - Rate card adaptor for a mailing machine

13. D462994 - Envelope moistener

14. D455777 - Tabletop folder/inserter

15. D434435 - Feeder

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as of
12/6/2025
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