Inventor

Annette M. Costlow

Inventor
Trafford, PA, US

Overview

6→
Patents
1986–1997
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.

B23Pprimary
B23PMetal-working not otherwise provided for20%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application20%
Y10TTechnical subjects covered by former us classification20%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding12%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material8%
F22BMethods of steam generation8%
C21DModifying the physical structure of ferrous metals4%
G01BMeasuring length, thickness or similar linear dimensions4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1997Patents assigned to WESTINGHOUSE ELECTRIC CORP (6)· patent assignee history
1986–1989Based in Plum Borough, PA, US· patent location history
1992–1997Based in Trafford, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WESTINGHOUSE ELECTRIC CORP61986–1997
Locations
LocationPatentsSpan
Trafford, Pennsylvania, US41992–1997
Plum Borough, Pennsylvania, US21986–1989