Growing community of inventors

Lowell, MA, United States of America

David Tweed

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 2

David TweedOlin Lathrop (1 patent)David TweedDavid Tweed (1 patent)Olin LathropOlin Lathrop (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Embed, Inc. (1 from 1 patent)


1 patent:

1. 7411378 - Power factor controller that computes currents without measuring them

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as of
12/12/2025
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