Growing community of inventors

Galena, OH, United States of America

Craig L Duffey

Average Co-Inventor Count = 2.10

ph-index = 7

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 = 379

Craig L DuffeyWarren J Schieser (5 patents)Craig L DuffeyStanley E Vickers (3 patents)Craig L DuffeyRoger J Gerdeman (1 patent)Craig L DuffeyCharles A Estadt (1 patent)Craig L DuffeyCraig L Duffey (7 patents)Warren J SchieserWarren J Schieser (7 patents)Stanley E VickersStanley E Vickers (5 patents)Roger J GerdemanRoger J Gerdeman (11 patents)Charles A EstadtCharles A Estadt (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Liqui-box Corporation (5 from 131 patents)

2. Liqui-box/b-bar-b Corporation (2 from 3 patents)


7 patents:

1. 5129212 - Method and apparatus for automatically filling and sterilizing containers

2. 5114670 - Process for sterilizing surfaces

3. 4676285 - Uncapper for containers having friction caps carrying flexible tubes

4. 4620411 - Filler for bags connected in a continuous strip

5. 4506489 - Filler and capper for containers

6. D264942 - Bottle

7. 4308955 - Interfitting, stackable bottles

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as of
1/5/2026
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