Growing community of inventors

Palo Alto, CA, United States of America

Barbara L Erwine

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 = 3

Barbara L Erwine ↔ Stephen H Smallcombe (1 patent)Barbara L ErwineBarbara L Erwine (1 patent)Stephen H SmallcombeStephen H Smallcombe (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Varian Associates, Inc. (1 from 777 patents)


1 patent:

1. 4077002 - Method and apparatus for NMR sample tube vortex plug

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