This page is not indexed by search engines while we improve data quality.

Welch John patents

Welch John is listed as an inventor on 7 patents in our database. Major assignees and classification codes are summarized below.

Inventor statistics
MetricValue
InventorWelch John
Total patents7
First publicationSep 3, 2015
Latest publicationSep 6, 2022

Notable patents

Publications ranked by popularity score, then publication date.

Recent patents

Latest publications not already listed above.

No data yet.

Major assignees

Companies most often associated with this inventor's publications.

Top assignees for this inventor
AssigneePatents
Khatiwada Suman4
Welch John4
Sadana Anil4
Garza Ramon4
Baker Hughes Inc3

Top CPC classifications

Most common classification codes across this inventor's patents.

Top CPC codes for this inventor
CPCPatents
E21B23/0654
F42B3/224
F42B3/044
C07C381/002
C07C323/632