Inventor

Donald P. Ziegler

Inventor
Lower Burrell, PA, US

Overview

9→
Patents
1994–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

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

C25Cprimary
C25CProcesses for the electrolytic production, recovery or refining of metals50%
B01DSeparation6%
B22DCasting of metals6%
C02FTreatment of water, waste water, sewage, or sludge6%
F27BFurnaces, kilns, ovens or retorts in general6%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
Y02ATechnologies for adaptation to climate change6%
Y02PClimate change mitigation technologies in the production or processing of goods6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1995Patents assigned to ALUMINUM CO OF AMERICA (2)· patent assignee history
1994–1995Based in New Kensington, PA, US· patent location history
2001–2017Patents assigned to ALCOA INC (5)· patent assignee history
2001–2016Based in Lower Burrell, PA, US· patent location history
2008–2010Patents assigned to ALCOA TECHNICAL CT (2)· patent assignee history
2011–2017Patents assigned to ZIEGLER DONALD P (3)· patent assignee history
2011Patents assigned to BARNES JR EDWARD R (1)· patent assignee history
2011–2012Based in Québec, CA· patent location history
2017Based in Quebec, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALCOA INC52001–2017
ZIEGLER DONALD Pself32011–2017
ALCOA TECHNICAL CT22008–2010
ALUMINUM CO OF AMERICA21994–1995
BARNES JR EDWARD R12011
Locations
LocationPatentsSpan
Lower Burrell, Pennsylvania, US42001–2016
Québec, CA22011–2012
New Kensington, Pennsylvania, US21994–1995
Quebec, CA12017