Inventor

Donald K. Trichel

Inventor
Houston, TX, US

Overview

4→
Patents
2012–2017
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling100%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2017Patents assigned to BAKER HUGHES INC (3)· patent assignee history
2012–2013Patents assigned to FINCHER ROGER W (2)· patent assignee history
2012–2013Patents assigned to OESTERBERG MARCUS (2)· patent assignee history
2012–2013Patents assigned to TRICHEL DONALD K (2)· patent assignee history
2012–2017Based in Houston, TX, US· patent location history
2017Patents assigned to BAKER HUGHES A GE CO LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES INC32012–2017
BAKER HUGHES A GE CO LLC22017
FINCHER ROGER W22012–2013
OESTERBERG MARCUS22012–2013
TRICHEL DONALD Kself22012–2013
Locations
LocationPatentsSpan
Houston, Texas, US42012–2017