LexDanaLexDanabeta
Inventor

William P. Weller

Inventor
Minneapolis, MN, US

Overview

4→
Patents
1983–2000
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B23Kprimary
B23KSoldering or unsoldering33%
H02JElectric power networks17%
LOC1517%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
6,046,664'Welding power supply transformer apparatus and method'2000D0416030'Portable welder'19995,639,392'Locking crank mechanism'19974,396,881'Means indicating a condition of charge in a battery charger'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1997Patents assigned to CENTURY MFG CO (2)· patent assignee history
1983Based in Bloomington, MN, US· patent location history
1997–2000Based in Minneapolis, MN, US· patent location history
1999Patents assigned to CENTURY MFG COMPANY (1)· patent assignee history
2000Patents assigned to CENTURY MANUFACTURING COMPANY (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CENTURY MFG CO21983–1997
CENTURY MANUFACTURING COMPANY12000
CENTURY MFG COMPANY11999
Locations
LocationPatentsSpan
Minneapolis, Minnesota, US31997–2000
Bloomington, Minnesota, US11983