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Steppan David D patents

Steppan David D is listed as an inventor on 28 patents in our database. Major assignees and classification codes are summarized below.

Inventor statistics
MetricValue
InventorSteppan David D
Total patents28
First publicationApr 12, 2018
Latest publicationOct 16, 2025

Notable patents

Publications ranked by popularity score, then publication date.

Recent patents

Latest publications not already listed above.

Major assignees

Companies most often associated with this inventor's publications.

Top assignees for this inventor
AssigneePatents
Covestro Llc28

Top CPC classifications

Most common classification codes across this inventor's patents.

Top CPC codes for this inventor
CPCPatents
B29K2075/005
G06Q10/044
G16C20/304
G06F3/048473
G16C60/003