Inventor

Paul J. Biggerstaff

Inventor
Sugar Land, TX, US

Overview

8→
Patents
1998–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

C10Lprimary
C10LFuels not otherwise provided for24%
C10GCracking hydrocarbon oils19%
C10CWorking-up pitch, asphalt, bitumen, tar10%
B01DSeparation5%
B22FWorking metallic powder5%
B23DPlaning5%
B23PMetal-working not otherwise provided for5%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
C10MLubricating compositions5%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to CUMMINS ENGINE CO INC (1)· patent assignee history
1998Based in North Vernon, IN, US· patent location history
2011–2017Patents assigned to BAKER HUGHES INC (6)· patent assignee history
2011–2015Based in Stafford, TX, US· patent location history
2013Patents assigned to BIGGERSTAFF PAUL J (1)· patent assignee history
2015–2020Based in Sugar Land, TX, US· patent location history
2020Patents assigned to BAKER HUGHES A GE CO LLC (1)· patent assignee history
2020Patents assigned to BAKER HUGHES HOLDINGS LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES INC62011–2017
BAKER HUGHES A GE CO LLC12020
BAKER HUGHES HOLDINGS LLC12020
BIGGERSTAFF PAUL Jself12013
CUMMINS ENGINE CO INC11998
Locations
LocationPatentsSpan
Sugar Land, Texas, US42015–2020
Stafford, Texas, US32011–2015
North Vernon, IN, US11998