Inventor

William R. Manning

Inventor
Littleton, MA, US

Overview

19→
Patents
1978–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 19 as inventor

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

C04Bprimary
C04BLime, magnesia25%
H02HEmergency protective circuit arrangements25%
LOC1317%
C03CChemical composition of glasses, glazes or vitreous enamels8%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters8%
F25BRefrigeration machines, plants or systems4%
F25DRefrigerators4%
H02JElectric power networks4%
H05KPrinted circuits4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1992Patents assigned to CHAMPION SPARK PLUG CO (5)· patent assignee history
1978–1993Based in Richmond, MI, US· patent location history
1993–1998Patents assigned to TEXAS INSTRUMENTS INC (6)· patent assignee history
1993–1996Based in Wrentham, MA, US· patent location history
1996–1998Based in Attleboro, MA, US· patent location history
2001–2002Patents assigned to AMERICAN POWER CONVERSION (3)· patent assignee history
2001–2006Patents assigned to AMERICAN POWER CONV CORP (2)· patent assignee history
2001–2019Based in Littleton, MA, US· patent location history
2003Patents assigned to AMERICAN POWER CONVERSION INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TEXAS INSTRUMENTS INC61993–1998
CHAMPION SPARK PLUG CO51978–1992
AMERICAN POWER CONVERSION32001–2002
AMERICAN POWER CONV CORP22001–2006
AMERICAN POWER CONVERSION INC12003
Locations
LocationPatentsSpan
Littleton, Massachusetts, US72001–2019
Richmond, MI, US61978–1993
Attleboro, Massachusetts, US31996–1998
Wrentham, Massachusetts, US31993–1996