Growing community of inventors

Sudbury, MA, United States of America

Charles W Kellstedt

Average Co-Inventor Count = 3.18

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 = 259

Charles W KellstedtJoel M Lieblein (9 patents)Charles W KellstedtIlyssa A Hunt (2 patents)Charles W KellstedtJack W Curran (2 patents)Charles W KellstedtJohn R Maliszewski (2 patents)Charles W KellstedtSimon Korowitz (1 patent)Charles W KellstedtHarold Lake (1 patent)Charles W KellstedtHarris D Kagan (1 patent)Charles W KellstedtPaulo A Martin (1 patent)Charles W KellstedtDavid W Scanlon (1 patent)Charles W KellstedtGraham E Mead (1 patent)Charles W KellstedtRichard J Mahoney, Iii (1 patent)Charles W KellstedtVanthay Khek (1 patent)Charles W KellstedtSteven R Nations (1 patent)Charles W KellstedtRonald K Pulsifer (1 patent)Charles W KellstedtJohn R Maliszewski (1 patent)Charles W KellstedtCharles W Kellstedt (10 patents)Joel M LiebleinJoel M Lieblein (12 patents)Ilyssa A HuntIlyssa A Hunt (4 patents)Jack W CurranJack W Curran (2 patents)John R MaliszewskiJohn R Maliszewski (2 patents)Simon KorowitzSimon Korowitz (18 patents)Harold LakeHarold Lake (17 patents)Harris D KaganHarris D Kagan (9 patents)Paulo A MartinPaulo A Martin (3 patents)David W ScanlonDavid W Scanlon (3 patents)Graham E MeadGraham E Mead (2 patents)Richard J Mahoney, IiiRichard J Mahoney, Iii (2 patents)Vanthay KhekVanthay Khek (1 patent)Steven R NationsSteven R Nations (1 patent)Ronald K PulsiferRonald K Pulsifer (1 patent)John R MaliszewskiJohn R Maliszewski (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Instron Limited (2 from 22 patents)

2. Diasense, Inc. (2 from 13 patents)

3. The Foxboro Company (1 from 286 patents)

4. Arrow International Limited (1 from 91 patents)

5. Fibrasonics Inc. (1 from 17 patents)

6. Opti-copy, Inc. (1 from 8 patents)

7. Mediacom Corporation (1 from 2 patents)


10 patents:

1. D450391 - Medical instrument tray

2. D412580 - Handpiece housing for ultrasonic therapy

3. D411300 - Non-invasive blood sensing device

4. D404361 - Computer adapter for use in a least cost telephone call routing system

5. D404489 - Non-invasive blood sensing device

6. D394842 - Field controller housing

7. D394015 - Hardness tester

8. D376652 - Medical instrument tray

9. D351804 - Stress:strain materials testing instrument

10. D332273 - Combined camera and projector/image processor

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as of
12/12/2025
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