LexDanaLexDanabeta
Inventor

William Madigan

Inventor
Houston, TX, US

Overview

6→
Patents
1999–2009
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

G01Vprimary
G01VGeophysics27%
B05DProcesses for applying fluent materials to surfaces, in general18%
B08BCleaning in general18%
E21BEarth or rock drilling9%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
H02JElectric power networks9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
7,596,452'Compensated caliper using combined acoustic and density measurements'20097,544,928'High resolution gamma measurements and imaging'20097,205,535'Elemental gamma ray signature instrument'20076,488,993'Process for applying a coating to sheet metal'20026,004,629'Process for applying a coating to sheet metal'19995,939,857'In-track charging station and method'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to BARRIER FREE LIFTS INC (1)· patent assignee history
1999–2002Based in Bayville, NY, US· patent location history
1999Based in Warrenton, VA, US· patent location history
2007–2009Patents assigned to BAKER HUGHES INC (3)· patent assignee history
2007–2009Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES INC32007–2009
BARRIER FREE LIFTS INC11999
Locations
LocationPatentsSpan
Houston, Texas, US32007–2009
Bayville, New York, US21999–2002
Warrenton, Virginia, US11999