Growing community of inventors

Trumbull, CT, United States of America

Timothy R Erwin

Average Co-Inventor Count = 1.26

ph-index = 4

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 = 38

Timothy R ErwinGerald C Freeman (1 patent)Timothy R ErwinSeymour Feinland (1 patent)Timothy R ErwinRobert E Manna (1 patent)Timothy R ErwinJeffrey J Prior (1 patent)Timothy R ErwinTimothy R Erwin (8 patents)Gerald C FreemanGerald C Freeman (46 patents)Seymour FeinlandSeymour Feinland (19 patents)Robert E MannaRobert E Manna (12 patents)Jeffrey J PriorJeffrey J Prior (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pitney Bowes Inc. (8 from 2,979 patents)


8 patents:

1. 4805946 - Postage meter security seal

2. 4796526 - Value printing die protection device in an electronic postage meter

3. 4796527 - Value printing die protection mechanism in a postage meter machine

4. 4787046 - Mailing system having a capability for one-step postage metering

5. 4608484 - Postage meter

6. 4559444 - Postage meter

7. 4509780 - Postage access door for postage meters

8. 4478443 - Postage meter security seal

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as of
12/10/2025
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