Growing community of inventors

San Jose, CA, United States of America

John C Dryden

Average Co-Inventor Count = 3.00

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 = 4

John C Dryden ↔ Rudolf Simon (1 patent)John C Dryden ↔ Franz Schlitz (1 patent)John C DrydenJohn C Dryden (1 patent)Rudolf SimonRudolf Simon (2 patents)Franz SchlitzFranz Schlitz (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Meissner + Wurst Gmbh + Co. Lufttechnische Anlagen Gebaude- Und (1 from 3 patents)


1 patent:

1. 5364425 - Cleaning device for a clean room

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1/19/2026
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