Inventor

Patricia A. Stewart

Inventor

Pittsburgh, PA, US

Overview

9→

Patents

2002–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 9 as inventor

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

B22Dprimary

B22DCasting of metals15%

B21BRolling of metal11%

B22CFoundry moulding11%

C10MLubricating compositions11%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions11%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material4%

B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls4%

B24CAbrasive or related blasting with particulate material4%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors4%

B67CCleaning, filling with liquids or semiliquids, or emptying, of bottles, jars, cans, casks, barrels, or similar containers, not otherwise provided for4%

PatentTitleYear

11,130,160Embossing for electro discharge textured sheet2021 10,589,327Apparatus and method for rolling metal2020 9,457,392'Apparatus and method for imparting selected topographies to aluminum sheet metal and application there for'2016 7,273,086'Lubricant for improved surface quality of cast aluminum and method'2007 7,267,158'Control of oxide growth on molten aluminum during casting using a high moisture atmosphere'2007 7,143,812'Lubricant for improved surface quality of cast aluminum and method'2006 7,111,665'Lubricant for improved surface quality of cast aluminum and method'2006 6,569,379'Ceramic core spacer blocks for high temperature preheat cycles'2003 6,447,667'Thermal shock protection for electrolysis cells'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2016Patents assigned to ALCOA INC (7)· patent assignee history

2002–2020Based in Pittsburgh, PA, US· patent location history

2020–2021Patents assigned to ARCONIC INC (2)· patent assignee history

2020Patents assigned to CLARK SHAWN (1)· patent assignee history

2020Patents assigned to KASUN THOMAS (1)· patent assignee history

2021Patents assigned to ARCONIC TECH LLC (1)· patent assignee history

2021Based in Lower Burrell, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALCOA INC	7	2002–2016
ARCONIC INC	2	2020–2021
ARCONIC TECH LLC	1	2021
CLARK SHAWN	1	2020
KASUN THOMAS	1	2020

Locations

Location	Patents	Span
Pittsburgh, Pennsylvania, US	8	2002–2020
Lower Burrell, Pennsylvania, US	1	2021