Growing community of inventors

Vallejo, CA, United States of America

David N Shipley

Average Co-Inventor Count = 6.00

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 = 1

David N Shipley ↔ Charles Guthrie (1 patent)David N Shipley ↔ Michael Carney (1 patent)David N Shipley ↔ David William Tuk (1 patent)David N Shipley ↔ Paul S Lundy (1 patent)David N Shipley ↔ Rick A Dotterer (1 patent)David N ShipleyDavid N Shipley (1 patent)Charles GuthrieCharles Guthrie (4 patents)Michael CarneyMichael Carney (2 patents)David William TukDavid William Tuk (2 patents)Paul S LundyPaul S Lundy (1 patent)Rick A DottererRick A Dotterer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Schlumberger Technology Corporation (1 from 10,180 patents)


1 patent:

1. 7565305 - Apparatus and method to estimate the value of a work process and determine gaps in current and desired states

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12/29/2025
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