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Letchworth, United Kingdom

David Drake

Average Co-Inventor Count = 1.75

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 = 66

David DrakeIan David Normansell (1 patent)David DrakeDonald Bruce MacMichael (1 patent)David DrakeJohn Kenneth Addicott (1 patent)David DrakeJohn Spencer Stovold (1 patent)David DrakeStephen Adrian Arlington (1 patent)David DrakeMoira Sloan Divers (1 patent)David DrakeDavid Drake (2 patents)Ian David NormansellIan David Normansell (5 patents)Donald Bruce MacMichaelDonald Bruce MacMichael (3 patents)John Kenneth AddicottJohn Kenneth Addicott (1 patent)John Spencer StovoldJohn Spencer Stovold (1 patent)Stephen Adrian ArlingtonStephen Adrian Arlington (1 patent)Moira Sloan DiversMoira Sloan Divers (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Smithkline Beecham Corporation (1 from 2,198 patents)

2. K.a. Schmersal Gmbh & Co. (1 from 22 patents)


2 patents:

1. 5914262 - Process and apparatus for cell sorting

2. 5606881 - Key operable safety switch

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idiyas.com
as of
1/13/2026
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