Growing community of inventors

Houston, TX, United States of America

Frederick M Duysings

Average Co-Inventor Count = 8.00

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 = 9

Frederick M Duysings ↔ Thomas S Dewitz (1 patent)Frederick M Duysings ↔ James A Salter (1 patent)Frederick M Duysings ↔ Thomas R Schmidt (1 patent)Frederick M Duysings ↔ Charles M Arbore (1 patent)Frederick M Duysings ↔ Johannes W Van Der Meer (1 patent)Frederick M Duysings ↔ David Matthew Brown (1 patent)Frederick M Duysings ↔ Henricus C Venselaar (1 patent)Frederick M DuysingsFrederick M Duysings (1 patent)Thomas S DewitzThomas S Dewitz (31 patents)James A SalterJames A Salter (14 patents)Thomas R SchmidtThomas R Schmidt (9 patents)Charles M ArboreCharles M Arbore (6 patents)Johannes W Van Der MeerJohannes W Van Der Meer (5 patents)David Matthew BrownDavid Matthew Brown (3 patents)Henricus C VenselaarHenricus C Venselaar (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shell Oil Comapny (1 from 7,646 patents)


1 patent:

1. 4838738 - Pressure compensated weigh system

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12/31/2025
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