Inventor

Thomas Graham Spears

Inventor
Springdale, OH, US

Overview

20→
Patents
1992–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 20 as inventor

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

B33Yprimary
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering17%
B29CShaping or joining of plastics14%
B22FWorking metallic powder13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
B28BShaping clay or other ceramic compositions4%
B60GVehicle suspension arrangements4%
G06TImage data processing or generation, in general4%
B23KSoldering or unsoldering3%
B62DMotor vehicles3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
PatentTitleYear
11,090,727Additively manufactured component having surface features for part identification202111,020,907Method for melt pool monitoring using fractal dimensions202110,943,240Additively manufactured component including a contrast agent for part identification202110,914,677System and method for calibrating a melt pool monitoring system of an additive manufacturing machine202110,894,364Method for melt pool monitoring using geometric length202110,894,299Fixed bed large scale additive manufacturing using foil-based build materials202110,884,394Additive manufacturing machine calibration based on a test-page based object202110,828,723Process monitoring for mobile large scale additive manufacturing using foil-based build materials202010,828,837Method for melt pool monitoring using algebraic connectivity202010,828,836Method for melt pool monitoring202010,706,139System and method for authenticating components202010,703,086System and method for authenticating an additively manufactured component202010,675,683Laminar vertical powder flow for additive manufacturing202010,646,924Additive manufacturing using a recoater with in situ exchangeable recoater blades202010,073,060Non-contact acoustic inspection method for additive manufacturing processes20189,989,495Acoustic monitoring method for additive manufacturing processes20186,293,724'Adjustable mount for vehicular ball joints'20016,257,601'Mounting plate for adjustably positioning vehicle suspension struts'20016,131,883'Strut removal tool'20005,104,141'Alignment device for double eccentric CAM arrangement'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to NORTHSTAR MANUFACTURING COMPAN (1)· patent assignee history
1992–2001Based in Burr Ridge, IL, US· patent location history
2000–2001Patents assigned to NORTHSTAR MFG CO INC (3)· patent assignee history
2018–2021Patents assigned to GEN ELECTRIC (16)· patent assignee history
2018–2020Based in Cincinnati, OH, US· patent location history
2020–2021Based in Springdale, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC162018–2021
NORTHSTAR MFG CO INC32000–2001
NORTHSTAR MANUFACTURING COMPAN11992
Locations
LocationPatentsSpan
Springdale, OH, US132020–2021
Burr Ridge, Illinois, US41992–2001
Cincinnati, OH, US32018–2020