Growing community of inventors

Fort Worth, TX, United States of America

David R Pierce

Average Co-Inventor Count = 2.90

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

David R PierceWilliam D Dean (2 patents)David R PiercePeter G Klimko (1 patent)David R PierceRaymond E Conrow (1 patent)David R PierceMichael E Deason (1 patent)David R PiercePete Delgado (1 patent)David R PierceMichael S Gaines (1 patent)David R PierceDavid R Pierce (3 patents)William D DeanWilliam D Dean (12 patents)Peter G KlimkoPeter G Klimko (49 patents)Raymond E ConrowRaymond E Conrow (29 patents)Michael E DeasonMichael E Deason (14 patents)Pete DelgadoPete Delgado (8 patents)Michael S GainesMichael S Gaines (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,843 patents)

2. Alcon, Inc. (1 from 1,177 patents)

3. Alcon Universal Ltd. (1 from 71 patents)


3 patents:

1. 6998489 - Methods of making indazoles

2. 6342525 - Benzenoid derivatives of 15-hydroxyeicosatetraenoic acid and methods of their use in treating dry eye disorders

3. 5684156 - Process for preparation of clonidine derivatives

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as of
12/28/2025
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