Growing community of inventors

Kingwood, TX, United States of America

David T Waldo

Average Co-Inventor Count = 3.00

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 = 26

David T Waldo ↔ James L Peterson (1 patent)David T Waldo ↔ William D Grimes (1 patent)David T WaldoDavid T Waldo (1 patent)James L PetersonJames L Peterson (4 patents)William D GrimesWilliam D Grimes (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Shell Oil Comapny (1 from 7,646 patents)

2. Shell Offshore Inc. (1 from 67 patents)


1 patent:

1. 4487228 - Weather-resistant and self-draining thread protector

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as of
12/19/2025
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