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Inventor

Kellen Harkness

Inventor
Saint Paul, MN, US

Overview

1→
Patents
2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C04Bprimary
C04BLime, magnesia33%
C09KMaterials for miscellaneous applications, not provided for elsewhere33%
E21BEarth or rock drilling33%
PatentTitleYear
11,084,974Use of multiple charged cationic compounds derived from polyamines for clay stabilization in oil and gas operations2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to CHAMPIONX USA INC (1)· patent assignee history
2021Based in Saint Paul, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHAMPIONX USA INC12021
Locations
LocationPatentsSpan
Saint Paul, Minnesota, US12021