Growing community of inventors

Arlington, VA, United States of America

Frederick R Handren

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 103

Frederick R HandrenRobert E Hazard (2 patents)Frederick R HandrenJonathan Kirschner (1 patent)Frederick R HandrenFrederick R Handren (3 patents)Robert E HazardRobert E Hazard (14 patents)Jonathan KirschnerJonathan Kirschner (51 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,891 patents)

2. The Coca-cola Company (1 from 1,591 patents)

3. Richard H. Davey, Inc. (1 from 1 patent)


3 patents:

1. 6755327 - Dispensing pump with deformable pump wall and positive shut-off

2. 5802968 - Apparatus for crushing containers

3. 5409146 - Dispensing pump with positive shut-off

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as of
1/1/2026
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