Growing community of inventors

Elgin, IL, United States of America

Gerald J Marquardt

Average Co-Inventor Count = 4.10

ph-index = 4

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 = 171

Gerald J MarquardtJonathan D Werner (5 patents)Gerald J MarquardtSean Hang Cho (4 patents)Gerald J MarquardtPeter J Walters (3 patents)Gerald J MarquardtCraig A Braun (3 patents)Gerald J MarquardtPatrick Timothy Yerby (3 patents)Gerald J MarquardtMark Neuhalfen (2 patents)Gerald J MarquardtBernhard Jasper (12 patents)Gerald J MarquardtSean H Cho (11 patents)Gerald J MarquardtGregory Alan Erickson (2 patents)Gerald J MarquardtJason A Ksiazk (2 patents)Gerald J MarquardtPaul E Hallman (2 patents)Gerald J MarquardtStephen Virgilio (1 patent)Gerald J MarquardtMark G Neuhalfen (4 patents)Gerald J MarquardtBernd Blumenstein (1 patent)Gerald J MarquardtCraig Braun (0 patent)Gerald J MarquardtGerald J Marquardt (8 patents)Jonathan D WernerJonathan D Werner (7 patents)Sean Hang ChoSean Hang Cho (15 patents)Peter J WaltersPeter J Walters (40 patents)Craig A BraunCraig A Braun (13 patents)Patrick Timothy YerbyPatrick Timothy Yerby (8 patents)Mark NeuhalfenMark Neuhalfen (14 patents)Bernhard JasperBernhard Jasper (12 patents)Sean H ChoSean H Cho (11 patents)Gregory Alan EricksonGregory Alan Erickson (9 patents)Jason A KsiazkJason A Ksiazk (6 patents)Paul E HallmanPaul E Hallman (5 patents)Stephen VirgilioStephen Virgilio (5 patents)Mark G NeuhalfenMark G Neuhalfen (4 patents)Bernd BlumensteinBernd Blumenstein (1 patent)Craig BraunCraig Braun (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Aptargroup, Inc. (7 from 189 patents)

2. Seaquistperfect Dispensing Foreign, Inc. (1 from 16 patents)


8 patents:

1. 11565873 - Aerosol spout dispenser

2. 10591337 - Dispensing cup for aerosol device

3. 9216852 - Lockable dispensing package and actuator

4. 9211995 - Pouch and valve assembly package for containing and dispensing a fluent substance

5. 8540121 - Dispensing actuator with flip-open lid

6. 8127968 - Aerosol actuator

7. 8100298 - Aerosol actuator

8. 7487891 - Aerosol actuator

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as of
1/4/2026
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