Inventor

Mark Crawford

Inventor
Houston, TX, US

Overview

22→
Patents
1987–2020
Patent span
Physics
Primary field (CPC G)

Patents· 22 as inventor

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

E21Bprimary
E21BEarth or rock drilling14%
A61BDiagnosis7%
B60WConjoint control of vehicle sub-units of different type or different function7%
G01SRadio direction-finding7%
B66BElevators5%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure5%
G08BSignalling systems, e.g. personal calling systems5%
A61FFilters implantable into blood vessels3%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1991Patents assigned to CRAWFORD MARK S (3)· patent assignee history
1987–1991Patents assigned to CRAWFORD WILLIAM B (3)· patent assignee history
1991–2005Based in Houston, TX, US· patent location history
1992–1993Based in Bothell, WA, US· patent location history
2014–2020Patents assigned to CRAWFORD MARK (5)· patent assignee history
2014–2017Patents assigned to US TOWER CORP (3)· patent assignee history
2014–2017Based in Visalia, CA, US· patent location history
2015–2020Patents assigned to FORD GLOBAL TECH LLC (5)· patent assignee history
2015–2020Based in Belleville, MI, US· patent location history
2015–2020Based in Paducah, KY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CRAWFORD MARKself52014–2020
FORD GLOBAL TECH LLC52015–2020
CRAWFORD MARK Sself31987–1991
CRAWFORD WILLIAM B31987–1991
US TOWER CORP32014–2017
Locations
LocationPatentsSpan
Houston, Texas, US61991–2005
Belleville, MI, US52015–2020
Paducah, KY, US42015–2020
Visalia, California, US32014–2017
Bothell, Washington, US21992–1993